• Bright stock Refined, high viscosity lubricating oil usually made residual stocks by suitable treatment, such as a combination of acid treatment or solvent extraction with dewaxing or clay finishing.

    加工处理的方式包括:处理(溶剂萃取)脱(或粘土精制)相结合

    youdao

  • Bright stock Refined, high viscosity lubricating oil usually made residual stocks by suitable treatment, such as a combination of acid treatment or solvent extraction with dewaxing or clay finishing.

    加工处理的方式包括:处理(溶剂萃取)脱(或粘土精制)相结合

    youdao

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