Unverified80% confidenceDecision RuleTime unknown
老式铸铁管道可承受强酸强碱,但长期使用强碱会加速管壁锈蚀结垢,老房建议用生物酶或稀释后的碱性产品养护
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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