倾斜分层采煤法

  • 网络inclined slicing

倾斜分层采煤法倾斜分层采煤法

倾斜分层采煤法

inclined slicing

汉英常... ... 倾斜短壁水力采煤法 shortwall hydraulic mining in the dip 倾斜分层采煤法 inclined slicing 切口 stable,niche ...

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