·2,447,543篇论文数据，部分数据来源于NoteExpress
Paint coating, should take the rust coating parts, weld coating, welding spatter materials, oil, dust and other debris cleared.
油漆涂刷前，应将需涂装部位的铁锈、焊缝药皮、焊接飞溅物、油污、尘土等杂物清理干净。
youdao
应用推荐
模块上移
模块下移
不移动