Lub trench yog dab tsi?
Lub trench rammer yog qhov tseem ceeb ntawm lub ntiaj teb rammer tsim rau ramming trench. | |
Lub trench rammer muaj lub taub hau nqaim uas zoo tagnrho rau ramming lub hauv paus ntawm trench. Qee lub sij hawm nws muaj qhov ntev dua los ua kom yooj yim rau kev ua haujlwm ntawm qib sib sib zog nqus. | |
Dab tsi yog qhov txiaj ntsig ntawm kev siv trench rammer? | |
Rau trench ramming, phau ntawv rammer yog nyiam dua li cov neeg kho tshuab rammer, uas tuaj yeem ua rau cov kav dej puas tuaj yeem cuam tshuam nrog. |
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