Unverified85% confidenceTradeoffTime unknown
钢锁耐磨性远高于铝锁，岩馆顶绳站因反复摩擦优先用钢锁；铝锁被绳索长期摩擦会形成锋利凹槽（sharp edge）加速磨绳，需定期检查报废
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified钢制结构耐磨性远超铝合金锁，适合岩馆顶绳站等绳索反复摩擦的固定位置使用，使用寿命显著更长85% similarUnverified松紧带式（弹力绳）锁扣比金属搭扣更能适应容量膨胀，装满时不易崩开；金属按扣密封性好但塞太满会顶开，装载量波动大选松紧带式83% similarUnverified带金属锁扣/弹力钩的绑绳使用更快捷免打结，但金属扣是应力集中点，反复受力处易先失效，重载场景优先选大直径钢制或锻造扣而非冲压铁片扣83% similarUnverified折叠关节的锁紧结构是耐用性关键：螺纹套筒锁紧比卡扣式更牢固耐撬，卡扣式在大力挖掘时易磨损打滑导致铲头晃动82% similarUnverified拉杆结构优选内嵌铝合金多级拉杆并带多档位锁定，单杆比双杆承重更集中易松动；拉杆晃动是长期使用最常见故障点82% similar
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