英语词典矿业英语

bank excavation

bank excavation

翻译:阶段采掘

同义词

1)bank excavation,阶段采掘2)phase of boring,掘进阶段3)land,采掘段4)deep concave mining,降段采掘5)stage digging,分阶段挖掘6)extraction mining coal,回采阶段

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