Unverified82% confidenceSolutionTime unknown
陈年尿碱黄垢深度清除标准路径：先排水→强酸凝胶涂抹静置20分钟→硬毛刷（非钢丝）刷洗→顽固处覆盖厕纸二次浸泡→冲净，一次不净可分次进行避免一次超量用酸伤釉
1
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82%
Confidence
Long-term
Relevance
-
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