• 硫酸盐法制可以用来生产硬度很高的易漂

    The sulfate process is used produce pulps which vary from dark-colored pulps to soft, easy bleaching pulps.

    youdao

  • 硫酸盐法制可以用来生产硬度很高的易漂

    The sulfate process is used produce pulps which vary from dark-colored pulps to soft, easy bleaching pulps.

    youdao

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