gas torch welding 气炬焊 ; 炬焊

welding torch 熔接气炬 ; [机] 焊炬

torch-welding 吹管焊

acetylene welding torch 乙炔焊炬 ; 乙炔接焊吹管 ; 乙炔焊接吹管 ; 乙炔焊枪

welding torch pipe 焊枪管

torch braze welding 焊矩钎焊

welding and cutting torch 焊割两用炬 ; 焊割两用气焊枪

combined cutting and welding torch 焊割两用炬

machine welding torch 机械焊接吹管