• The performance and usage of coal-tar asphalt were introduced. Meanwhile, it was assumed the excellent characteristics, mechanism and technology of the modified coal tar pitch.

    介绍了沥青性能用途以及有广泛用途的煤焦油改质沥青的优异特性,改质机理生产工艺

    youdao

  • The performance and usage of coal-tar asphalt were introduced. Meanwhile, it was assumed the excellent characteristics, mechanism and technology of the modified coal tar pitch.

    介绍了沥青性能用途以及有广泛用途的煤焦油改质沥青的优异特性,改质机理生产工艺

    youdao

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