Unverified80% confidenceFactTime unknown
钢丝绳承重与直径挂钩：1.5mm钢丝绳单根承重约20kg，2.0mm约45kg，透明尼龙包裹绳视觉更隐形但承重比同径钢丝低30%
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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