Nyob rau hauv tus txheej txheem ntawm kev siv cov txiv ntoo qhov chaw vuam tshuab, ntsib cov welds tsis zoo, xws li weld spatter lossis tsis tiav fusion, tuaj yeem yog ib qho kev sib tw. Hauv tsab xov xwm no, peb yuav tham txog qhov ua rau tsis zoo welds nyob rau hauv cov txiv ntoo qhov chaw vuam thiab muab cov kev daws teeb meem los daws qhov teeb meem zoo. Nkag siab li cas...
Nyeem ntxiv