Unverified80% confidenceTradeoffTime unknown
厚度与防滑稳定性存在权衡：垫子越厚（>15mm）缓冲越好但边缘易翘起绊脚，尤其老人区域应选带斜坡收边或超薄背胶款（<3mm）避免绊倒风险
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