Yuhang silk floss silk floss which are renowned for their famous water.

余杭丝绵素以清水丝绵而负盛名.

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Pay attention to the cleanness for the silk floss, avoid the pollution.

2:注意蚕丝被的清洁卫生, 以免使蚕丝被受到污染.

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We usually wash the quilt cover for the silk floss.

蚕丝被的常规清洁可只洗涤被套.

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Qin and Han Dynasty when the inferior race, cocoon for silk floss crafts very popular.

秦,汉时劣势种族, 绵茧工艺很受欢迎.

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