[KongchangAI]
Unverified78% confidenceFactTime unknown

常见弹力绳(蹦极绳)内芯为天然橡胶,可拉伸至原长约1.5-2倍,外层编织涤纶,适合固定不规则轻中量物品,但橡胶老化后弹力衰减明显

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78%
Confidence
Long-term
Relevance
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