• High purity heavy liquid paraffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.

    大庆直柴油原料异丙醇尿素制得纯度较高重质液体石蜡凝点脱蜡油。

    youdao

  • High purity heavy liquid paraffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.

    大庆直柴油原料异丙醇尿素制得纯度较高重质液体石蜡凝点脱蜡油。

    youdao

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