Tawg-pov thawj teeb yuav tsum tau 3C

Tsis, it’s not necessary. Explosion-proof teeb yuav tsis muaj nyob rau hauv cov tawg-pov thawj 3C daim ntawv pov thawj.

Explosion-proof teeb tsuas yuav tsum tau txais ib qho tawg-pov thawj los siv nyob rau hauv tej chaw explosive.