Unverified88% confidenceDecision RuleTime unknown

楼梯栏杆间距超过11cm时必须加装防护网，因这是幼儿头部可能卡住或身体滑落的危险临界值

1

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88%

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Long-term

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楼梯防护网category

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Unverified楼梯垂直高度落差＞30cm的护栏间隙必须加装防护网，栏杆间距＞11cm的旧式楼梯是儿童坠落高风险区，需优先覆盖87% similar Unverified竖向栏杆净间距必须≤11cm（约成人拳头宽），防止幼儿头部或身体穿越卡住；横向栏杆间距过大反而形成'梯子'易被攀爬，儿童防护应优先选纯竖栏结构84% similar Unverified楼梯防护标准方案：楼梯口（顶+底）装安全门 + 护栏立柱间隙装防护网（网眼≤6cm）+ 扎带每20cm固定；缺口高度需≥65cm并高于宝宝身高，防止翻越84% similar

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