Unverified70% confidenceFactTime unknown
识别松紧带耐久性可看是否为多股织入式(编织松紧)而非单层橡筋，织入式经反复水洗和拉伸不易松弛、失弹周期更长
1
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70%
Confidence
Long-term
Relevance
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First Seen
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