Paper pulps of vegetable fiber such as waste newspapers, carton paper, paperboards and other paper pulps of vegetable fiber materials can be taken as the dry paper pulp.
干纸浆是指植物纤维纸浆，如废旧报纸、纸箱纸、纸板、或其他植物纤维材料纸浆。
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.
下面层从上往下又由干纸浆层和布面层组成，下面层亦可是一塑料纸层。
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