Unverified80% confidenceTradeoffTime unknown
防潮等级越高（如无机玻镁板）通常越重且越脆，加工裁切难度大；PVC板轻便易切但防火性和承重弱，家装地面找平选PVC，工装防火区选玻镁
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80%
Confidence
Long-term
Relevance
-
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