Peb tus kheej hloov dav hlau thrust ntawm VAZ 2107

Lub hauv paus ntawm kev tsav tsheb nyab xeeb yog kev ruaj ntseg ntawm lub tsheb ntawm txoj kev. Txoj cai no siv tau rau cov tsheb thauj khoom thiab tsheb. Thiab VAZ 2107 yog tsis muaj kev zam. Kev tuav ntawm lub tsheb no ib txwm tshuav ntau yam uas xav tau. Txhawm rau ua kom lub neej yooj yim dua rau cov neeg tsav tsheb, engineers tsim lub dav hlau thrust system rau "xya". Tab sis txhua qhov kev nthuav dav, raws li koj paub, tuaj yeem ua tsis tiav. Thiab tom qab ntawd tus neeg tsav tsheb yuav ntsib cov lus nug: nws puas tuaj yeem hloov qhov tawg traction nrog koj tus kheej txhais tes? Yog, koj ua tau. Cia peb sim seb nws ua li cas.

Kev teem caij ntawm lub dav hlau thrust rau VAZ 2107

Lub hom phiaj ntawm lub dav hlau thrust ntawm lub VAZ 2107 yog yooj yim: tsis txhob cia lub tsheb "taug kev" nyob rau hauv txoj kev thiab sway muaj zog thaum nkag mus rau ntse lem thiab thaum ntaus ntau yam obstacles. Qhov teeb meem no tau paub txij thaum pib tsheb. Thaum lub sij hawm ntawd lawv tsis paub txog tej dav hlau thrusts, thiab cov tsheb tau nruab nrog cov pa springs. Qhov tshwm sim yog qhov laj thawj: lub tsheb yooj yim dov dhau, thiab nws nyuaj heev los tsav nws. Thaum lub sij hawm, lub tsheb ncua kev kawm ntawv tau zoo dua: lawv pib nruab ib tug ntev rods nyob rau hauv nws, uas yuav tsum tau noj nyob rau hauv ib feem ntawm cov loads tshwm sim los ntawm txoj kev irregularities los yog vim yog ib tug nruj tsav style. Nyob rau ntawm VAZ 2107 thiab lwm yam classic Zhiguli qauv, muaj tsib lub dav hlau rods: ib nkawm ntev sawv daws yuav, ib tug ob peb luv luv sawv daws yuav, ntxiv rau ib tug loj transverse pas nrig, uas yog lub hauv paus ntawm tag nrho cov traction system. Tag nrho cov no yog ntsia ze ntawm lub rear qag ntawm lub tsheb.

Lub dav hlau thrust system yog ntsia ze ntawm lub rear qag ntawm VAZ 2107

Koj tuaj yeem pom cov kab ke no tsuas yog los ntawm lub qhov tshuaj ntsuam xyuas, qhov twg txhua txoj haujlwm ua tiav los hloov cov pas nrig tawg.

Ntawm qhov kev xaiv ntawm dav hlau thrust

Tam sim no, tsis muaj ntau lub tuam txhab loj tsim lub dav hlau thrust rau VAZ 2107 thiab lwm yam classics. Lawv cov khoom sib txawv ntawm tus nqi thiab kev ntseeg siab. Xav txog cov khoom nrov tshaj plaws.

Txoj kev "Track"

Cov khoom ntawm lub tuam txhab Trek nrov heev nrog cov tswv ntawm "xya". Cov pas nrig no txawv ntawm kev ntseeg siab thiab tus nqi siab, uas pib los ntawm 2100 rubles ib txheej.

Dav hlau thrusts "Track" yog qhov txawv ntawm kev ntseeg siab thiab tus nqi siab

Qhov sib txawv tseem ceeb ntawm "Track" yog lub taub hau rau cov bushings. Ua ntej, lawv loj, thiab qhov thib ob, lawv txuas nrog cov pas nrig los ntawm vuam. Thiab cov blocks ntsiag to ntawm "Tracks" yog ua los ntawm cov roj hmab tshwj xeeb, uas ua rau lawv lub neej ua haujlwm ntev.

Traction "Cedar"

Nyob rau feem coob ntawm cov "xya", uas yav tas los tau tawm ntawm lub rooj sib txoos kab, lub dav hlau thrusts raug ntsia precisely los ntawm Kedr, txij li thaum lub tuam txhab no yeej ib txwm ua thiab tseem yog tus official tsum ntawm AvtoVAZ.

Traction "Cedar" muaj tus nqi tsim nyog thiab nruab nrab zoo

Hais txog qhov zoo, Kedr yog me ntsis qis dua rau Trek. Qhov no yog tshwj xeeb tshaj yog muaj tseeb rau bushings thiab ntsiag to blocks. Tag nrho cov no hnav tawm sai sai, thiab yog li ntawd, lawv yuav tsum tau hloov ntau zaus. Tab sis kuj muaj ib sab zoo - tus nqi kev ywj pheej. Ib txheej ntawm rods "Cedar" tuaj yeem muas rau 1700 rubles.

Traction "Belmag"

Txawm hais tias qhov yooj yim thiab kev ntseeg siab ntawm Belmag rods, lawv muaj ib qho teeb meem tseem ceeb: lawv tsis yooj yim nrhiav tau ntawm kev muag khoom. Txhua xyoo lawv muaj tsawg thiab tsawg dua ntawm cov txee ntawm cov khw muag khoom tsheb. Tab sis yog tias tus tswv tsheb tseem tswj xyuas lawv, ces nws tuaj yeem ua kev zoo siab, vim nws tau txais cov khoom lag luam txhim khu kev qha ntawm tus nqi tsim nyog. Tus nqi ntawm Belmag rods pib los ntawm 1800 rubles ib teev.

Niaj hnub no nws tsis yog yooj yim mus nrhiav Belmag traction rau muag

Ntawm no, hauv cov ntsiab lus, yog tag nrho cov npe ntawm cov tuam txhab loj loj ntawm kev sib tw zoo rau VAZ 2107. Tau kawg, tam sim no muaj ntau lub tuam txhab me nyob rau hauv kev ua lag luam uas yog aggressively txhawb lawv cov khoom. Tab sis tsis muaj ib qho ntawm cov tuam txhab no tau txais txiaj ntsig zoo ntawm cov tswv ntawm cov classics, thiab yog li nws tsis tsim nyog los hais lawv ntawm no.

Yog li cas tus tsav tsheb yuav tsum xaiv los ntawm tag nrho cov saum toj no?

Cov lus teb yog qhov yooj yim: tsuas yog cov qauv rau kev xaiv dav hlau rods yog lub thickness ntawm tus tswv lub tsheb lub hnab nyiaj. Yog hais tias ib tug neeg tsis muaj kev txwv los ntawm cov nyiaj, qhov kev xaiv zoo tshaj plaws yuav yog mus yuav Cov rods. Yog lawm, lawv kim heev, tab sis kev txhim kho lawv yuav tso cai rau koj tsis nco qab txog cov teeb meem ncua sij hawm ntev. Yog tias tsis muaj nyiaj txaus, nws ua rau kev txiav txim siab mus nrhiav Belmag cov khoom ntawm lub txee. Zoo, yog tias lub tswv yim no tsis muaj kev vam meej, qhov kev xaiv thib peb tseem nyob - Kedr thrusts, uas muag txhua qhov chaw.

Ntawm no nws yog ib qho tsim nyog los hais ob peb lo lus hais txog kev dag. Paub tias cov tswv tsheb feem ntau xaiv cov khoom ntawm peb lub tuam txhab saum toj no, cov tuam txhab tsis paub tseeb tau tam sim no cia dej nyab cov txee nrog cov khoom cuav. Ntxiv mus, nyob rau hauv qee kis, fakes tau ua kom txawj ntse uas tsuas yog tus kws tshaj lij tuaj yeem txheeb xyuas lawv. Hauv qhov xwm txheej zoo li no, tus neeg tsav tsheb zoo tib yam tuaj yeem tsom mus rau tus nqi thiab nco ntsoov: cov khoom zoo yog kim. Thiab yog hais tias muaj ib txheej ntawm "Track" rods ntawm lub txee rau tsuas yog ib txhiab rubles, ces qhov no yog ib qho laj thawj loj rau xav txog nws. Thiab tsis txhob maj mus yuav.

Nyob rau hauv lub modernization ntawm jet thrust

Qee zaum cov neeg tsav tsheb txiav txim siab ntawm lawv tus kheej kom nce kev ntseeg tau ntawm VAZ 2107 ncua kev kawm thiab txuas ntxiv nws lub neej kev pab cuam. Rau qhov kawg no, lawv yog modernizing dav hlau thrust. Feem ntau, kev kho tshiab ntawm cov pas nrig txhais tau tias yog ob txoj haujlwm. Ntawm no lawv yog:

• installation ntawm twin dav hlau thrusts;
• installation ntawm reinforced dav hlau thrusts.

Tam sim no me ntsis ntxiv txog txhua qhov haujlwm saum toj no.

Ob tug pas nrig

Feem ntau, cov neeg tsav tsheb nruab dual traction ntawm VAZ 2107. Yog vim li cas yog pom tseeb: rau cov txheej txheem no nrog rods, koj yuav tsum ua yuav luag tsis muaj dab tsi. Nws tsuas yog hais tias tsis yog ib qho, tab sis ob pawg ntawm cov pas nrig tau yuav, ntsia rau hauv qhov chaw tsis tu ncua ze ntawm lub nraub qaum ntawm "xya". Ntxiv rau, tsis zoo tib yam, tab sis elongated mounting bolts yog muas, uas tag nrho cov qauv no so.

Lub installation ntawm dual rods ntawm lub VAZ 2107 tsub kom lub zuag qhia tag nrho kev cia siab ntawm lub ncua kev kawm ntawv.

Qhov kom zoo dua ntawm qhov kev hloov kho tshiab no yog qhov nce hauv kev ntseeg siab ntawm kev ncua: txawm tias ib qho ntawm cov pas nrig tawg thaum tsav tsheb, lub tsheb tsis zoo li poob kev tswj thiab tus neeg tsav tsheb yuav muaj lub sijhawm los pom qhov teeb meem hauv lub sijhawm thiab nres. (lub dav hlau thrust breakage yuav luag ib txwm nrog lub khob muaj zog hauv qab ntawm lub tsheb, tsis hnov ​​​​qhov no tsuas yog ua tsis tau). Qhov kev tsim no kuj muaj qhov tsis zoo: qhov kev ncua yuav nruj dua. Yog tias ua ntej nws "noj" cov pob me me hauv txoj kev tsis muaj teeb meem, tam sim no tus neeg tsav tsheb yuav hnov ​​​​txawm tias cov pob zeb me me thiab pits thaum tsav tsheb.

Reinforced traction

Yog tias lub tsheb ua haujlwm nyob rau hauv qhov xwm txheej hnyav thiab tsav tsheb feem ntau ntawm txoj kev av lossis ntawm txoj kev uas tsis zoo li asphalt, tus tswv tsheb tuaj yeem txhim kho lub dav hlau traction rau nws. Raws li txoj cai, cov neeg tsav tsheb ua xws li traction ntawm lawv tus kheej. Tab sis tsis ntev los no, cov tuam txhab loj tau pib muab kev txhawb nqa ntawm lawv tus kheej ntau lawm. Piv txwv li, ntawm kev muag khoom koj tuaj yeem nrhiav Track-Sport rods, uas yog qhov txawv ntawm qhov loj ntawm cov blocks uas ntsiag to thiab qhov hloov pauv hloov tau. Ib khub ntawm txiv ntseej ntawm tus pas nrig transverse tso cai rau koj hloov me ntsis nws qhov ntev. Uas nyob rau hauv lem cuam tshuam rau kev tuav ntawm lub tsheb thiab tag nrho rigidity ntawm nws ncua kev kawm ntawv.

Reinforced rods muaj cov txiv ntseej uas tso cai rau koj hloov qhov ntev ntawm tus pas nrig thiab kho qhov nruj ntawm kev ncua

Ntawm chav kawm, tus neeg tsav tsheb yuav tsum tau them nyiaj rau kev ntseeg siab: tus nqi ntawm ib txheej ntawm Track-Sport rods pib los ntawm 2600 rubles.

Xyuas lub xeev ntawm lub dav hlau thrusts ntawm lub VAZ 2107

Ua ntej peb tham txog kev tshuaj xyuas lub dav hlau thrusts, cia peb nug peb tus kheej cov lus nug: yog vim li cas thiaj li yuav tsum tau muaj daim tshev zoo li no? Qhov tseeb yog tias thaum tsav tsheb, dav hlau thrusts raug rau ob qho tib si transverse thiab torsional loads. Torsional loads tshwm sim thaum lub log tsoo cov pas dej loj lossis ntaus pob zeb loj thiab lwm yam teeb meem. Hom kev thauj khoom no tshwj xeeb yog teeb meem rau cov pas nrig, lossis ntau dua, rau cov twj ntsiag to hauv cov pas nrig. Nws yog qhov ntsiag to blocks uas yog qhov tsis muaj zog ntawm lub dav hlau thrust (tsis muaj ib yam dab tsi los rhuav tshem ntawm nws tus kheej: nws yog ib tug hlau pas nrig nrog ob lub lugs ntawm qhov kawg). Tsis tas li ntawd, cov khoom siv roj hmab ntawm cov blocks ntsiag to raug cuam tshuam rau qhov kev ua ntawm cov tshuaj reagents uas tau nchuav rau ntawm txoj kev thaum lub caij ntuj sov. Yog li ntawd, cov kab nrib pleb tshwm rau ntawm cov roj hmab thiab nws lub neej kev pabcuam raug txo kom sai.

Cov roj hmab ib feem ntawm qhov ntsiag to ntawm tus pas nrig tau dhau los ua tsis tau zoo

Yog hais tias koj ntseeg hais tias cov kev khiav hauj lwm cov lus qhia, ces tus tshiab jet thrust ntawm lub VAZ 2107 tuaj yeem mus txog 100 txhiab km. Tab sis coj mus rau hauv tus account cov xwm txheej tau teev tseg saum toj no, lub neej kev pab cuam tiag tiag ntawm cov pas nrig tsis tshua muaj tshaj 80 txhiab km.

Los ntawm tib cov lus qhia nws ua raws li kev txheeb xyuas ntawm lub xeev ntawm lub dav hlau thrusts yuav tsum tau nqa tawm txhua txhua 20 txhiab km. Txawm li cas los xij, cov tswv hauv kev pabcuam tsheb xav pom zoo kom kuaj xyuas qhov kev sib tw txhua 10-15 txhiab km txhawm rau kom tsis txhob muaj kev xav tsis thoob. Txhawm rau txheeb xyuas qhov xwm txheej ntawm cov blocks uas ntsiag to hauv cov pas nrig, koj yuav xav tau lub qhov tshuaj ntsuam xyuas thiab lub mounting hniav.

Tshawb xyuas ib ntus

1. Lub tsheb tau muab tso rau ntawm qhov pom (raws li kev xaiv - ntawm lub flyover).
2. Lub mounting hniav yog muab tso rau hauv qab lub qhov muag ntawm lub thrust.
   

   Lub mounting hniav yog ntsia tom qab lub qhov muag ntawm lub thrust
3. Tam sim no koj yuav tsum tau so nrog lub spatula tiv thaiv lub dav hlau thrust bracket thiab sim txav lub thrust mus rau sab nrog rau qhov ntsiag to block. Yog tias qhov no ua tiav, lub kaw ntsiag to hauv lub zog yog hnav tawm thiab yuav tsum tau hloov.
4. Ib txoj kev zoo sib xws yuav tsum tau ua nrog tag nrho lwm cov blocks ntsiag to ntawm cov pas nrig. Yog hais tias lawv tau tsiv mus rau sab los ntawm tsawg kawg yog ob peb millimeters, lawv yuav tsum tau hloov sai sai.
   

   Thaum lub sij hawm xeem, lub ntsiag to block hloov mus rau sab laug los ntawm ob peb millimeters. Qhov no yog ib qho qhia meej ntawm hnav.
5. Tsis tas li ntawd, cov rods thiab lugs lawv tus kheej yuav tsum tau soj ntsuam rau hnav, tawg, thiab scuffing. Yog tias ib qho ntawm cov saum toj no pom ntawm cov pas nrig, koj yuav tsum tau hloov tsis tau tsuas yog ntsiag to blocks, tab sis kuj puas rods.

Video: xyuas lub dav hlau thrust ntawm VAZ 2107

Yuav ua li cas txheeb xyuas cov bushings ntawm dav hlau rods VAZ

Hloov dav hlau rods ntawm VAZ 2107

Ua ntej pib ua haujlwm, peb yuav txiav txim siab cov khoom siv thiab cov cuab yeej tsim nyog. Nov yog yam peb yuav xav tau:

• ib txheej tshiab dav hlau rods rau lub VAZ 2107;
• xeb tshem tawm WD-40;
• sib dhos hniav;
• teeb ntawm qhib-kawg wrenches;
• rauj

Sib lawv ua haujlwm

Ua ntej tshaj, ob lub ntsiab lus tseem ceeb yuav tsum tau hais. Ua ntej, lub thrust yuav tsum tau hloov tsuas yog nyob rau hauv lub soj ntsuam lub qhov los yog nyob rau hauv lub flyover. Qhov thib ob, tag nrho tsib rods ntawm VAZ 2107 raug tshem tawm raws nraim tib txoj kev. Tias yog vim li cas cov txheej txheem rau dismantling tsuas yog ib lub hauv paus pas nrig yuav piav qhia hauv qab no. Txhawm rau tshem tawm plaub tus pas nrig, koj tsuas yog yuav tsum rov ua cov kauj ruam hauv qab no.

1. Lub tsheb yog ntsia saum lub qhov pom. Silent blocks, lugs thiab txiv ntseej ntawm lub hauv paus pas nrig yog ua tib zoo kho nrog WD40 (raws li txoj cai, cov lugs xeb heev, yog li tom qab siv cov kua koj yuav tsum tau tos 15-20 feeb rau cov muaj pes tsawg leeg kom yaj cov xeb zoo).
   

   WD40 tso cai rau koj sai sai yaj xeb ntawm tus pas nrig
2. Tom qab cov xeb tau yaj lawm, thaj chaw uas WD40 tau thov yuav tsum tau muab so kom huv si nrog cov ntaub qhwv.
3. Tom qab ntawd, siv lub qhov (socket) lub taub hau nrog lub ratchet, cov txiv ntoo ntawm qhov ntsiag to block yog unscrewed (nws yog qhov zoo tshaj yog tias nws yog lub qhov (socket) nrog lub ratchet knob, vim tias muaj qhov chaw me me ntawm tus pas nrig). Nrog rau qhov qhib-kawg thib ob, 17, nws yog ib qho tsim nyog yuav tsum tuav lub taub hau ntawm lub ntsia liaj qhov rooj kom nws tsis tig thaum lub txiv ntoo yog unscrewed.
   

   Kev kho tus ntsia liaj qhov rooj ntawm tus pas nrig yog yooj yim dua rau unscrew nrog ob tus yuam sij
4. Thaum cov txiv ntseej unscrewed, kho bolt yog ua tib zoo khob tawm nrog rauj.
5. Ib txoj kev zoo sib xws yog nqa tawm nrog qhov thib ob uas ntsiag to thaiv ntawm lub hauv paus pas nrig. Sai li ob qho tib si kho bolts raug tshem tawm ntawm lawv lub qhov muag, tus pas nrig yog manually tshem tawm ntawm cov brackets.
6. Tag nrho lwm yam thrusts los ntawm VAZ 2107 raug tshem tawm nyob rau hauv tib txoj kev. Tab sis thaum tshem tawm sab rods, ib qho kev ceeb toom yuav tsum raug coj mus rau hauv tus account: tom qab tshem lub mounting ntsia liaj qhov rooj, lub sab sauv ntawm lub log yuav poob tawm. Yog li ntawd, lub qhov nyob rau ntawm qhov ntsiag to block thiab ntawm lub mounting bracket yog hloov chaw txheeb ze rau ib leeg raws li qhia hauv daim duab hauv qab no. Thiab qhov no tsim teeb meem loj thaum txhim kho lub zog tshiab: lub mounting ntsia liaj qhov rooj tsis tuaj yeem muab tso rau hauv lub bracket.
   

   Vim lub deflection ntawm lub log, ib tug tshiab mounting bolts tsis tau muab tso rau hauv lub pas nrig.
7. Yog tias qhov xwm txheej zoo li no tshwm sim, ces lub log yuav tsum tau nqa nrog lub tsho kom txog thaum lub qhov ntawm lub bracket thiab ntawm qhov ntsiag to ntawm qhov kev sib tw tshiab. Qee lub sij hawm, tsis muaj kev ua haujlwm ntxiv no, nws tsuas yog tsis yooj yim sua rau nruab ib lub thrust tshiab.

Video: hloov dav hlau cav rau VAZ 2107

Yuav ua li cas hloov lub dav hlau thrust VAZ-2101-07, hloov cov lus qhia.

Hloov bushings ntawm VAZ 2107 rods

Bushings ntawm dav hlau rods VAZ 2107 yog cov khoom siv pov tseg uas tsis tuaj yeem kho. Nws tsis tuaj yeem rov qab kho cov bushing uas hnav hauv lub nkas-las. Tus neeg tsav tsheb nruab nrab tsis muaj cov cuab yeej tsim nyog lossis cov txuj ci tsim nyog los kho qhov chaw sab hauv ntawm bushing. Yog li, tsuas yog kev xaiv rau kev kho cov traction bushings puas yog los hloov lawv nrog cov tshiab. Nov yog qhov peb yuav tsum tau hloov cov bushings ntawm tus pas nrig:

• bushing xovxwm cuab tam (muaj nyob rau ntawm txhua lub khw muag khoom pib);
• rab rauj;
• hwj txwv nrog ib txoj kab uas hla ntawm 10 mm.

Sib koom ua yeeb yam

Cov pas nrig raug tshem tawm ntawm lub tsheb raws li cov lus qhia saum toj no. Lub qhov muag thiab cov blocks uas ntsiag to yuav tsum tau kho nrog WD40 thiab ntxuav kom huv si ntawm cov av thiab xeb nrog cov txhuam hlau.

1. Feem ntau, tom qab tshem tawm lub thrust, lub tes tsho yog tshem tawm ntawm nws dawb. Tab sis qhov no tsuas yog tshwm sim yog tias nws hnav hnyav heev thiab tsis xeb heev. Yog hais tias lub tes tsho yog lus welded rau tus pas nrig vim xeb, koj yuav tsum tau khob nws tawm nrog rauj, tom qab ntxig hwj txwv rau hauv nws.
   

   Feem ntau cov bushing ntog tawm ntawm tus pas nrig nws tus kheej. Tab sis qee zaum koj yuav tsum tuav nws nrog rauj
2. Yog hais tias cov roj hmab ib feem ntawm lub kaw lus ntsiag to raug mob hnyav, ces koj yuav tsum tau tshem nws. Cov khib nyiab ntawm cov roj hmab no tsuas yog rub tawm los ntawm kev rub tawm nrog lub hau ntswj los yog mounting spatula.
   

   Qhov seem ntawm qhov ntsiag to thaiv tuaj yeem raug tshem tawm nrog lub ntsej muag ntse
3. Tam sim no lub puab nto ntawm lub qhov muag yuav tsum tau ua tib zoo ntxuav nrog ib tug ntse riam los yog sandpaper. Yuav tsum tsis muaj xeb lossis roj hmab seem ntawm qhov muag.
   

   Yog tsis muaj kev tu kom huv ntawm lub qhov muag, ib qho kev ntsiag to tshiab nrog lub tes tsho tsis tuaj yeem muab tso rau
4. Tam sim no lub bushing tshiab yog ntsia rau hauv lub qhov muag (thiab yog hais tias cov roj hmab kuj raug tshem tawm, ces ib tug tshiab ntsiag to block yog ntsia). Nws yog nias rau hauv lub qhov muag siv lub cuab yeej tshwj xeeb.
   

   Nws yog qhov yooj yim tshaj plaws rau nruab bushings hauv dav hlau thrust siv lub cuab yeej xovxwm tshwj xeeb
5. Yog tias tsis muaj cov cuab yeej xovxwm ntawm tes, koj tuaj yeem siv tib lub hwj txwv. Txawm li cas los xij, koj yuav tsum ua tib zoo saib xyuas kom tsis txhob ua rau lub ntsej muag sab hauv ntawm lub tes tsho.
   

   Koj yuav tsum tau ntaus cov hwj txwv kom zoo zoo thiaj li tsis ua kom puas lub bushing los ntawm sab hauv.

Yog li, txhawm rau hloov lub dav hlau rods nrog VAZ 2107, tus tswv tsheb yuav tsis tas yuav tsav tsheb mus rau qhov chaw pabcuam ze tshaj plaws. Txhua txoj haujlwm tuaj yeem ua los ntawm tes. Txawm tias ib tug novice tsav tsheb uas tsawg kawg ib zaug tuav ib tug rauj thiab ib tug wrench nyob rau hauv nws txhais tes yuav tiv nrog qhov no. Txhua yam koj yuav tau ua yog ua raws li cov lus qhia saum toj no raws nraim.