Unverified80% confidenceTradeoffTime unknown
沙质越细腻流动性越好越适合减压体验,但越细的沙越易扬尘、清洁越难;家庭日常玩耍选择中等粒度(60-80目)在质感与易清洁间更平衡
1
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80%
Confidence
Long-term
Relevance
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