Unverified85% confidenceSolutionTime unknown
重度污渍处理标准路径:先关水冲净存水→倒入酸性洁厕剂沿壁均匀覆盖污渍→静置15-30分钟软化尿碱→硬毛刷刷洗→大量水冲净。静置时间不足是除垢失败主因
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85%
Confidence
Long-term
Relevance
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