[KongchangAI]
Unverified80% confidenceCautionTime unknown

老旧小区铸铁管道或PVC管接口老化的房屋不建议使用高压气压疏通枪,瞬间气压冲击可能导致管道接口崩裂漏水,应先用手动疏通器或化学疏通剂

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80%
Confidence
Long-term
Relevance
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