吹管焊接 solder with the blow tube ; blow pipe welding

焊接吹管 [机] welding torch ; soldering blow tube

机械焊接吹管 machine welding torch

焊接用吹管 soldering blow pipe

乙炔接焊吹管 acetylene welding torch

乙炔焊接吹管 acetylene welding torch

万用焊接吹管 universal blowpipe

焊接吹管火口 welding tip

焊接用吹风管 Blow pipe for welding