Unverified90% confidenceDecision RuleTime unknown
填充物优先选PP塑料颗粒或玉米粒替代真沙，塑料颗粒防水防潮、缝线漏出风险低；传统沙子填充一旦破口会散落且难清理
1
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90%
Confidence
Long-term
Relevance
-
First Seen
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