overburden mining的意思|示意

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overburden mining相关短语

1、 mining overburden 采动覆岩

2、 overburden rock under mining 采动覆岩

3、 mining overburden bed separation 采动覆岩离层

4、 mining overburden separated strata 采动覆岩离层

5、 mining induced overburden failure 覆岩破坏

6、 mining under shallow overburden 浅埋暗挖法