短語詞組短語automatic c arc -submerging welder 自動(dòng)埋弧銲機(jī)automatic arc -submerging welder 自動(dòng)埋弧銲機(jī)semi -automatic arc spot welder 半自動(dòng)電弧點(diǎn)銲機(jī) 返回 automatic arc-welder