Unverified82% confidenceDecision RuleTime unknown
钥匙扣连接件的耐用度关键在开合环和螺旋圈：优先选带弹簧扣(lobster clasp/龙虾扣)或D型钩，避免劣质开口铁环，后者反复开合易变形松脱导致钥匙丢失
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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