[KongchangAI]
Unverified82% confidenceCautionTime unknown

老旧房屋或使用金属(铸铁/镀锌)下水管的,避免长期使用强碱性化学疏通剂,会加速管壁腐蚀锈蚀,优先物理疏通弹簧或高压气枪

1
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82%
Confidence
Long-term
Relevance
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First Seen

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