Unverified86% confidenceDecision RuleTime unknown
背带必须配备可调节胸前扣（防脱扣），且胸扣位置应在锁骨下方而非勒住颈部，无胸扣的防摔包宝宝弯腰时容易滑脱失去防护作用
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86%
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Long-term
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