[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

浓度与用量的权衡:高浓度除垢剂用量省但腐蚀风险高,低浓度需反复清洗更耗时;50L电热水器单次清洗一般需柠檬酸粉200-300g配比使用

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