coal cutting是什么意思 coal cutting在线中文翻译

coal cutting 英 [kəul ˈkʌtɪŋ] 美 [kol ˈkʌtɪŋ]

1. 采煤
   ...coal bunker 煤库 | coal cutting 采煤 | coal dust 煤尘...
2. 采煤,截煤
   ...coal cutter ==> 截煤机,采煤机 | coal cutting ==> 采煤,截煤 | coal damper ==> 落煤控制板...

coal cutting