短語(yǔ)詞組短語(yǔ)combined welding operating technique 組合焊接操作技術(shù)Electric Welding Buttering Technique 電焊堆焊Welding Compound Technique 焊接復(fù)合gas welding technique 氣焊工藝downward welding technique 下向焊技術(shù)solid state welding technique 固態(tài)焊接技術(shù)laser welding technique 激光焊接技術(shù)Electrogas arc welding technique 氣電立焊wet welding technique 濕式焊接技術(shù) 返回 welding technique