• 研究表明:由渣油树脂所研制料其性能接近松香改性树脂料,其各项技术指标均达到化工部颁标准。

    The results show that it is successful and all the technical indexes of the phenolic residue resin coating are in accordance with National Standard.

    youdao

  • 研究表明:由渣油树脂所研制料其性能接近松香改性树脂料,其各项技术指标均达到化工部颁标准。

    The results show that it is successful and all the technical indexes of the phenolic residue resin coating are in accordance with National Standard.

    youdao

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