Unverified82% confidenceTradeoffTime unknown
轻量便携与防滑稳定性存在矛盾：越薄越轻的卷式PE板越易在切割时移动或翘边，硬质厚板更稳但重3-4倍，需按出行方式取舍
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82%
Confidence
Long-term
Relevance
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