[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

陶艺作品选购时敲击听声:清脆声表示高温烧制(1200℃以上)胎体致密、吸水率低于3%可日常使用;沉闷声多为低温陶(800-1000℃)易吸水开裂,仅适合观赏摆件

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