Fill power ratings are based upon tests completed after the down and feathers have been washed and sorted but before insertion into garments or bedding products.
蓬松度等级是羽绒羽毛在洗涤和分类后，但是在塞入服装和被褥之前，进行测试，并完全依据测试结果。
Fill power ratings are based upon tests completed after the down and feathers have been washed and sorted but before insertion into garments or bedding products.
蓬松度等级是羽绒羽毛在洗涤和分类后，但是在塞入服装和被褥之前，进行测试，并完全依据测试结果。
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