• The modification of the asphalt with anthracitic coal and coke were studied in this paper.

    采用无烟煤和焦炭对国产普通沥青进行了改性研究。

    youdao

  • It is the focus problem for anthracitic coal production enterprise to increase percentage of lump coal and reduce amount of lump coal with size smaller than lower size limit.

    提高块煤降低块煤下率当前无烟煤生产企业关注焦点问题

    youdao

  • It is the focus problem for anthracitic coal production enterprise to increase percentage of lump coal and reduce amount of lump coal with size smaller than lower size limit.

    提高块煤降低块煤下率当前无烟煤生产企业关注焦点问题

    youdao

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