Eider down feather can absorb the of 20% moisture in humid air, there won't be humid feeling when falling asleep.
羽绒羽毛能够吸收潮湿空气中20%的水分，入睡时不会有潮湿的感觉。
Because of the big density and weaving difficulty for the cotton waterproof eider down clothing, the general sizing material can not meet its sizing requirement.
纯棉防水羽绒布经纬密度高，织造难度大，普通浆料不能满足织造上浆要求。
Because of the big density and weaving difficulty for the cotton waterproof eider down clothing, the general sizing material can not meet its sizing requirement.
纯棉防水羽绒布经纬密度高，织造难度大，普通浆料不能满足织造上浆要求。
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