Unverified90% confidenceDecision RuleTime unknown
选择基于柠檬酸或乳酸的除垢液，避免使用甲酸(formic acid)配方——甲酸除垢快但对铝制锅炉腐蚀性强，长期使用会缩短机器寿命
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90%
Confidence
Long-term
Relevance
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