• The paper reviews the comprehensive use of coal gangue in detail.

    对煤矸石综合利用进行了较全面介绍。

    youdao

  • The enormous coal gangue is difficult to use and causes environment pollution.

    煤矸石堆积如山,难以利用污染环境

    youdao

  • Also, the production technology of coal gangue cement and coal spoil bricks is introduced here.

    介绍煤矸石水泥煤矸石生产技术

    youdao

  • The mass coefficient was brought forward to assess the activity factor of original coal gangue.

    引入质量系数评定原状煤矸石经热活化后辅助胶凝性能的大小。

    youdao

  • The mass coefficient was brought forward to assess the activity factor of original coal gangue.

    引入质量系数评定原状煤矸石经热活化后辅助胶凝性能的大小。

    youdao

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