Unverified90% confidenceFactTime unknown
CC-4的设计通过一端施加弹簧张力排除链条游隙(slack),相比简单的两销插入式工具能减少因链节间隙导致的虚假磨损读数,适合对测量准确性有较高要求的场景
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90%
Confidence
Long-term
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