合成纤维

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(()(chéng )(xiān )(wéi )()(chéng )(xiān )(wéi ))

(gāo )(fèn )()(huà )()()(shì )(yòng )(méi )(shí )(yóu )(tiān )(rán )()()(quē )(děng )(wéi )(yuán )(liào )()(chéng )(de )(xiān )(wéi )()()(lún )(jǐn )(lún )(děng )()(chéng )(xiān )(wéi )(qiáng )()(gāo )(ér )(nài )()()(zhì )(chéng )(shéng )(suǒ )(chuán )(sòng )(dài )(lún )(tāi )(de )(lián )()(děng )()(yòng )(lái )(zuò )(fǎng )(zhī )(pǐn )

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