Unverified78% confidenceTradeoffTime unknown
帽檐防雨性与透气性天然矛盾：全封闭防水膜帽子闷热，带侧面透气网眼的则牺牲局部防雨，夏季多雨建议选帽顶防水+侧下透气的分区设计
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
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