Unverified80% confidenceDecision RuleTime unknown
楼梯踏步防滑贴宽度应≥踏面深度的1/2且距踏步边缘留2-3cm,单条长度覆盖踏步宽度的80%以上;仅贴边缘细条对幼儿下楼防滑作用有限
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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