Unverified85% confidenceDecision RuleTime unknown
选择手腕式(腕带款)而非牵引背心款时,腕带内圈直径需可调至12-15cm适配2-4岁幼儿,且必须带密码锁或防拆卡扣,防止儿童自行挣脱
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Long-term
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