[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

牵引绳锁扣优先选用铝合金或锌合金材质,避免塑料快挂扣;铝合金O型/D型扣拉力强度可达200kg以上,塑料扣长期使用会老化脆裂

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