Superseded80% confidenceFactTime unknown
带滚轮的移动置物架需认准可锁定万向轮（4轮含2锁），无锁定轮的架子在推拉或碰撞时会移位，放重物或电器时存在安全隐患
1
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80%
Confidence
Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
四轮助行器（Rollator）必须配备双侧手刹和停车锁定刹车，缺少停车锁定的四轮款在坡道或起身时会滑动，存在跌倒风险Sources
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