[KongchangAI]
Unverified75% confidenceCautionTime unknown

堵塞原因是钙化结垢或水泥硬物时不要单靠弹簧疏通,弹簧无法破除硬结垢,应配合管道专用清洁剂或找专业疏通

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75%
Confidence
Long-term
Relevance
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