Unverified85% confidenceDecision RuleTime unknown

手腕式防走失绳需选择带钢丝内芯的伸缩绳（内含防割钢丝），普通尼龙绳可被儿童牙齿咬断或用力扯脱，钢丝芯拉力应≥15kg

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儿童防走失绳category

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Unverified腕带式防走失绳的钢丝内芯是防割关键，选择内部含TPU包裹钢丝绳（直径≥2mm）的款式，可防止孩子用剪刀或牙齿咬断挣脱87% similar Unverified牵引绳材质优先选钢丝内芯+织带包裹的伸缩绳，纯尼龙绳在孩子突然奔跑时易被大人手部勒伤或磨损断裂，纯弹力绳回弹力过大可能拉倒幼儿86% similar Unverified钢丝内芯防割断安全性高，但整体绳体偏硬、弹性回缩力明显，小童被拉扯时手腕不适感较强85% similar Unverified钢丝内芯主要防割断、防孩子挣脱剪断，但整体承重与拉力仍有限，不能当牵引绳强拉孩子84% similar

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