Unverified80% confidenceTradeoffTime unknown
弹力布拉伸带（棉+乳胶丝混纺）在拉伸带里比纯棉更实用：纯棉几乎无弹性且吸汗后变硬发脆，弹力布提供10-15%微弹缓冲更贴合渐进拉伸
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80%
Confidence
Long-term
Relevance
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