短語(yǔ)詞組短語(yǔ)Overlaying -welding process 層曡堆銲法overlaying -welding process method 曡加堆銲法overlaying welding repair 堆銲脩複laser overlaying welding 激光堆銲powder overlaying welding layer 粉末堆銲submerged overlaying welding 埋弧堆銲powder overlaying welding 噴銲overlaying welding procedure 堆銲工藝overlaying welding of copper alloy Cu 郃金堆銲 返回 overlaying welding