• In accordance with the domestic production and application cases for pitch as impregnating agent, Suggestions for speeding up the commercial production of pitch as impregnating agent are given.

    根据国内浸渍剂沥青的生产和使用情况,提出了加快浸渍剂沥青工业化生产的建议。

    youdao

  • In accordance with the domestic production and application cases for pitch as impregnating agent, Suggestions for speeding up the commercial production of pitch as impregnating agent are given.

    根据国内浸渍剂沥青的生产和使用情况,提出了加快浸渍剂沥青工业化生产的建议。

    youdao

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