[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

厨房水槽和洗手盆下水堵塞多为油脂+毛发混合,优先选5米以上手摇弹簧疏通器(管径6mm钢丝);马桶堵塞则用皮搋或专用马桶弹簧,两者不通用

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