Unverified80% confidenceDecision RuleTime unknown
厚度是舒适度关键：单层涂层款约1-2mm坐硬地面硌人，带海绵/珍珠棉夹层的款式厚度达5-8mm可缓冲石子草根，长时间席地而坐建议选夹层款
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