Ntim (Steel siv baling)
Hlau siv baling: Tib pob ntawm cov kav hlau yuav tsum yog tib qib steel, qib steel, steel yeeb nkab ntawm tib yam specification. Yog tias tsawg dua ib pob, nws yuav tsum muab ntim rau hauv cov pob me me. Raws li cov neeg siv khoom thov, lub hau yas tiv thaiv yog txuas rau txhua qhov kawg ntawm txhua lub yeeb nkab kawg steel.bb418 wb