Unverified72% confidenceDecision RuleTime unknown
洗发帽的挡水原理是帽檐向外翻折形成导流槽，冲水时需从头顶向后冲、水沿帽檐流向脑后；若逆向从额头往上冲，任何洗发帽都无法阻挡水入眼
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72%
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Long-term
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