• It is widely used in coal mine roadway, working surface, and other fields of roadway. It got better efficacy on unstable surrounding rocks.

    广泛应用于矿井下巷道,工作面切眼,峒室及其它领域的巷道支护,对处理不稳定围岩效果更佳。

    youdao

  • It is widely used in coal mine roadway, working surface, and other fields of roadway. It got better efficacy on unstable surrounding rocks.

    广泛应用于矿井下巷道,工作面切眼,峒室及其它领域的巷道支护,对处理不稳定围岩效果更佳。

    youdao

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