Dab tsi yog electronic cutters coated nrog?
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| Qee cov hluav taws xob hluav taws xob muaj cov phosphate hloov dua siab tshiab txheej. Qhov no txhais tau hais tias kev sib xyaw ntawm phosphate ntsev thiab phosphoric acid tau muab txau rau hauv cov hlau ntawm cov khoom siv hluav taws xob los tsim cov txheej txheem insoluble uas tiv taus xeb thiab xeb. | |
| Electronics cutters kuj muaj nyob rau hauv ib tug softer txheej tiav nyob rau hauv txhuas los yog tooj dag, tshwj xeeb tshaj yog rau cov kev siv xws li suab paj nruag kho cov cuab yeej los yog cov hniav nyiaj hniav kub ua qhov twg nws yog ib qho tseem ceeb kom tsis txhob khawb thiab lwm yam nto puas. |
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