Unverified80% confidenceDecision RuleTime unknown
缓冲层选EVA泡棉或记忆海绵，厚度以后脑勺防护区≥2cm、前额≥1.5cm为宜；过薄无缓冲意义，过厚增重且闷热
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80%
Confidence
Long-term
Relevance
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