Unverified93% confidenceFactTime unknown
L型铝合金包边结构兼具防滑和护角功能,螺丝固定后可承受拖拉重物和高频踩踏,常见于商场、学校、地铁等公共楼梯工程
1
Sources
93%
Confidence
Long-term
Relevance
-
First Seen
Sources
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