短語(yǔ)詞組短語(yǔ)automatic gas -shielded welding 氣體保護(hù)自動(dòng)焊inert gas -shielded welding 惰性氣體保護(hù)焊co gas -shielded welding machine co2氣體保護(hù)焊機(jī)metal -arc gas-shielded welding 氣保護(hù)金屬極電弧焊;金屬極氣保護(hù)焊co 2 gas -shielded welding co氣體保護(hù)焊CO2 gas -shielded welding inverter 逆變CO2焊機(jī)vertical automatic gas -shielded welding 垂直自動(dòng)氣體保護(hù)焊 返回 gas shielded welding