Unverified80% confidenceFactTime unknown
锁头与链条连接处若为一体锻造/焊接封闭结构则最难破坏；可拆卸挂锁式（U型挂锁+链条）连接点是薄弱环节，容易被断锁梁攻破
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80%
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Long-term
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Unverified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拉链款密封性和防尘性优于开口绑绳款，但拉链是最易损部位，装载过满或超重时拉链容易崩开或卡齿80% similarUnverified采用铆接式多节钢片折叠结构，铆接点是该类型锁具的共性薄弱环节，抗扭转攻击能力弱于同等级U型锁79% similarUnverified扩展性越强的免工具拼接结构，拼接缝隙和牢固度往往越差；固定螺丝安装的舱体更稳但重组不便，日常几乎不重组的话优先选螺丝结构79% similarUnverified5mm厚度的铆接钢片链节对液压剪有一定抵抗力，但相比U锁或粗链条锁，抗剪切能力仍是短板，这是折叠锁品类的结构性妥协79% similar
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