[KongchangAI]
Unverified82% confidenceCautionTime unknown

PVC/PPR塑料管道避免使用高浓度强碱固体产品并长时间浸泡,NaOH溶解放热可使局部温度超70℃,老化塑料管接口易变形渗漏,浸泡应控制在15-30分钟内

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82%
Confidence
Long-term
Relevance
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