Unverified75% confidenceDecision RuleTime unknown
楼梯踏步防滑建议选带钝角圆边、宽度覆盖踏面70%以上的防滑条，边缘留5-8mm避免踩空，颗粒面朝外并沿踏步前缘对齐
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75%
Confidence
Long-term
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