Unverified90% confidenceCautionTime unknown
楼梯顶端不要用压力顶撑式护栏——底部横杆会绊倒儿童、且顶撑力不足时孩子推挤可能连人带栏滚下楼梯
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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