• Quick-setting, non-dewatered and cemented full tailings filling is a newly-developed filling technology at present.

    速凝无脱水尾砂胶结充填目前开发的一项充填技术

    youdao

  • Quick-setting, non-dewatered and cemented full tailings filling is a newly-developed filling technology at present.

    速凝无脱水尾砂胶结充填目前开发的一项充填技术

    youdao

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