Unverified80% confidenceDecision RuleTime unknown

轻量伞车靠背支撑普遍偏软，长途久坐宝宝易含胸驼背；1岁以下或长途飞行建议选带硬质靠背板和可调支撑的车型，避免脊柱发育负担

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80%

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Unverified若追求全场景（新生儿平躺+减震+便携），标准路径是买『可扩展系统车』：车架+可平躺座椅+可选睡篮/提篮，通过Travel System一套覆盖0-3岁；单独买减震伞车无法覆盖新生儿阶段79% similar Unverified6个月以下婴儿必须选靠背可放平至165°以上（近平躺）的伞车，普通伞车靠背仅110-130°不支持脊椎未发育完善的月龄78% similar

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