• It is a kind of feasible research means for optimization of blasting parameters for increasing lump coal rate.

    从而提高煤块参数优化提供了一切实可行研究方法

    youdao

  • It is a kind of feasible research means for studying blasting parameter optimization for increasing lump coal rate.

    从而提高煤块参数优化提供了了切实可行的研究方法

    youdao

  • Practice has proved that this kind of technology can obviously improve the lump coal rate, increase the security of constructing, have better economic and social benefits.

    实践证明这种技术可以明显提高块煤,提高产量,增加施工安全具有较好的经济社会效益

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  • Because the rate of lump coal influence the price directly, so coal enterprises hope to have a method to control the rate of lump coal and increase the economy profit.

    原煤大小块直接影响原煤价格所以煤炭生产企业迫切希望能够有效控制采出的块率,以提高企业的经济效益

    youdao

  • Because the rate of lump coal influence the price directly, so coal enterprises hope to have a method to control the rate of lump coal and increase the economy profit.

    原煤大小块直接影响原煤价格所以煤炭生产企业迫切希望能够有效控制采出的块率,以提高企业的经济效益

    youdao

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