[KongchangAI]
Unverified90% confidenceCautionTime unknown

完全堵死不通水时禁止倒入化学疏通剂,液体会积存在管道内长时间腐蚀且无法冲走,应先用管道疏通器/皮搋子物理疏通

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90%
Confidence
Long-term
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