释义 |
Under buildings 基本例句 建筑物下 Investigation on the Optimum Mining Programme under Buildings of Certain Area of Jiaoxi Coal Mine?焦西矿四一采区建筑物下最优开采方案? It has important guidance effect and actual meanings in determining the strip mining method for excavating deep coals under buildings.对确定建筑物下深部压煤是否采用条带法开采,具有重要的指导作用和实际意义。 |