短語(yǔ)詞組短語(yǔ)Overlaying -welding process 層疊堆焊法overlaying -welding process method 疊加堆焊法overlaying welding repair 堆焊修復(fù)laser overlaying welding 激光堆焊powder overlaying welding layer 粉末堆焊submerged overlaying welding 埋弧堆焊powder overlaying welding 噴焊overlaying welding procedure 堆焊工藝overlaying welding of copper alloy Cu 合金堆焊 返回 overlaying welding