短語(yǔ)詞組短語(yǔ)gas relay shielded arc welding 氣體保護(hù)弧焊gas -shielded arc welding machine operator 氣護(hù)弧焊機(jī)操作員;氣體保護(hù)電弧焊接操作機(jī);氣體保護(hù)弧焊機(jī)操作員inert -gas-shielded arc welding 惰性氣體保護(hù)電弧焊co 2 gas -shielded arc welding co氣體保護(hù)電弧焊co gas -shielded arc welding co2氣體保護(hù)電弧焊underwater gas shielded arc welding 水下氣體保護(hù)焊;水下氣體保護(hù)電弧焊non gas shielded arc welding 無(wú)氣體保護(hù)電弧焊gas shielded arc welding machine 氣保護(hù)弧焊機(jī);氣體保護(hù)焊機(jī);氣體保護(hù)弧焊機(jī) 返回 gas shielded arc welding