The feather and down proofness is the most important quality request. It can be roughly calculated from the construction data of the fabric.

羽毛/羽绒不穿透性是最重要的质量要求。这可以从面料的结构数据中粗略的计算出来。

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Finally, the author discusses several issues of perfecting the incentive system of Tongcheng feather and down enterprises.

最后对完善桐城市羽绒企业激励体系应注意的几个问题进行了探讨。

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He goes to see the first feather fossil in a Wyoming museum, the plumed showgirls in Las Vegas, a down-pillow factory in Seattle.

他曾前往美国怀俄明州博物馆看第一颗羽毛化石，去拉斯维加斯观察穿着羽毛装饰衣物的歌舞女郎，到西雅图看羽绒枕工厂。

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It's quiet and comfortable, and brings to mind lonely walks down cobbled streets, or a large feather bed on a rainy afternoon, or maybe a long-distance phone commercial.

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