[KongchangAI]
Unverified88% confidenceCautionTime unknown

下水道严重堵塞(异物堵塞、管道结构问题)场景不适合依赖该品牌化学疏通产品解决,化学疏通剂只对油脂/毛发等有机物堵塞有效。

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88%
Confidence
Long-term
Relevance
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