Unverified75% confidenceDecision RuleTime unknown
选购时用力下压测试节点锁紧机构：按钮插销式比旋转锁紧式更牢靠不易滑落，旋转式长期使用后螺纹磨损会导致行走中突然缩短，风险较高
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75%
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Long-term
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