overburden rock under mining 采动覆岩
roadway under mining district 采区下部平巷
roadway under mining influence 采动巷道
mining under buildings 建筑物下采煤 ; 建筑物下开采
Mining under railways 铁路下开采
Mining under water bodies 水体下开采
mining coal under buildings 建筑物下采煤
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Telling them they are late could be seen as under mining their position over you.
告诉老板他们迟到了可能被看成你在藐视他们的地位。
For rock mass under mining, the support of surrounding rock mass in initial stage is critical to the stability of surrounding rock mass.
对于采动岩体而言,初始阶段的支护是保持中厚软岩板稳定的关键。
The vital problems to be solved in Shendong mine are the dynamic pressure damage of thin rock strata roof under thick sandy soil soft stratum and the loss of water and soil under mining.
浅埋煤层薄基岩厚砂土松散层顶板动压灾害和采动水土流失是神东矿区急需解决的重大问题之一。
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