Unverified82% confidenceTradeoffTime unknown
底座越重越稳但越难移动，圆盘大理石或注水底座稳定性最佳但笨重；家用可移动场景优先选带万向轮+可锁定刹车的底座，底座直径≥45cm防倾倒
1
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82%
Confidence
Long-term
Relevance
-
First Seen
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Unverified疏通弹簧越长越便捷但越难操控和收纳，家用地漏5米以内足够；带手摇轮盘的比裸弹簧省力且不脏手，值得多花的关键便捷点80% similarUnverified坐式学步车轮距应≥底盘宽度且底座向外延展超出座椅投影，防倾翻底座直径建议≥55cm，前轮带万向锁定或缓冲设计可减少快速下坡冲撞80% similarUnverified稳定性看底部横向支撑跨度而非重量，底脚间距<晾架高度的1/2时高处挂满衣物容易头重脚轻侧翻，选带万向轮的要确认有可锁刹车或加宽稳定底座80% similarUnverified轮子越大越好推越能过门槛，但会增加整体高度并抬高重心降低稳定性；室内平地推荐直径5cm以内低矮万向轮加锁定79% similarUnverified底座横杆间距（前后支撑跨度）越大抗前后倾覆能力越强，选购倒立机时底座前后展开长度应≥120cm，配防滑脚垫可减少地面移动79% similar
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