• 封面存根凭证根据所采用纸张重量区别

    The cover pages, counterfoils and the vouchers will be differentiated in term of the weight of the paper used.

    youdao

  • 纸张重量90%来自纤维素,构成植物细胞壁坚固材料

    About 90 percent of the weight of old paper is cellulose, the sturdy material that makes up plant cell walls.

    youdao

  • 纸张重量90%来自纤维素,构成植物细胞壁坚固材料

    About 90 percent of the weight of old paper is cellulose, the sturdy material that makes up plant cell walls.

    youdao

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