This paper analysed and contrasted the structures of polyester and viscose complex yarn, polyester and viscose ply yarn, pure polyester single yarn and pure viscose single yarn.是什么意思_This paper analysed and contrasted the structures of polyester and viscose complex yarn, polyester and viscose ply yarn, pure polyester single yarn and pure viscose single yarn.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句