Unverified82% confidenceDecision RuleTime unknown
落地式扶手底座宽度需≥40cm才有足够抗倾覆力矩，底座过窄（＜30cm）在单侧发力起身时易侧翻，选购时优先看底座实际占地尺寸而非扶手高度
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Unverified底座宽度（前后左右四点间距）≥15cm且四脚全部落地才能提供有效防倾倒支撑，宽底座（>20cm）适合承重需求高者但易绊倒健侧脚89% similarUnverified落地竖插架重心偏高，底座宽度＜25cm或无配重的款式在插满垫子时易前倾倾倒；优先选底座宽度≥30cm或带三角稳定脚的设计88% similarUnverified扶手抓握顶部相对坐便器座圈的理想高度为高出15-20cm，即约70-75cm离地，过低借不上力过高发力别扭；带翻转功能扶手抬起后应能贴墙不占空间85% similarUnverified站立稳定性看底座重量与重心：无底座折叠屏风高度＞170cm时容易倒，建议选带T型底座或L型加固脚，或高度控制在150cm以内84% similarUnverified宽度超过80cm的单跨层板中部易下垂，非顶撑款需选中间带支撑脚或加厚（板厚≥18mm）的层板，否则放重物长期使用后中间塌陷84% similar
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