短語(yǔ)詞組短語(yǔ)underwater dry welding 水下銲接underwater automatic welding 水下自動(dòng)銲接underwater hyperbaric welding habitat 水下高壓銲接艙underwater explosive welding 水下爆炸銲;水下爆炸銲接underwater stud welding 水下螺柱銲underwater electrical welding 水下電銲underwater wet welding 溼法銲接underwater hyperbaric welding 水下乾式高壓銲接dry underwater welding 乾式水下銲 返回 underwater welding