[KongchangAI]
Unverified85% confidenceSolutionTime unknown

下水道堵塞处理标准路径:先判断堵塞类型(毛发/油脂)→轻度缓堵用生物酶养护→中度用对应化学疏通剂→完全堵塞先用皮搋子或手摇疏通器物理疏通再化学处理→反复堵塞需检查管道坡度或安装地漏毛发过滤网预防

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