Unverified83% confidenceDecision RuleTime unknown
链条式限位器要确认链条为金属材质且螺丝为膨胀螺丝，尼龙链条或自攻螺丝无法承受儿童反复拉扯的冲击力
1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen
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