短語詞組短語automatic submerged -arc welding machine 埋弧自動銲機;繙譯automatic submerged arc welding machine 自動埋弧銲機submerged arc welding machine operator 埋弧銲機操作員;埋弧銲銲接操作員semi -automatic submerged arc welding machine 半自動埋弧銲機 返回 submerged arc welding machine