And the author expounded the washing of papermaking felt by both mechanical and chemical methods.

并从机械方法洗涤和化学方法洗涤两个方面阐述了造纸毛毯的洗涤。

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And the author expounded the washing of papermaking felt by both mechanical and chemical methods.

并从机械方法洗涤和化学方法洗涤两个方面阐述了造纸毛毯的洗涤。

youdao