Unverified88% confidenceFactTime unknown
羽绒蓬松度fp值指1盎司羽绒占据的立方英寸体积，600fp为普通、700fp为优质、800fp以上为高端，同重量下fp越高越蓬松保暖越轻
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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