• The lower layer is composed of a dry paper-pulp layer and a cloth-surface layer from top to bottom. The lower layer can be a plastic-paper layer.

    下面往下又纸浆布面层组成,下面层亦可是塑料纸层。

    youdao

  • The lower layer is composed of a dry paper-pulp layer and a cloth-surface layer from top to bottom. The lower layer can be a plastic-paper layer.

    下面往下又纸浆布面层组成,下面层亦可是塑料纸层。

    youdao

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