Unverified85% confidenceCautionTime unknown
老旧铸铁管或金属管道慎用强酸型（硫酸类）疏通剂，长期使用会加速金属锈蚀穿孔；金属管道优先选中性酶解型或弱碱型产品
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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