Unverified85% confidenceDecision RuleTime unknown
施工前必须彻底除垢（用草酸或除水垢剂清洁至镜面无残留），否则涂层会包裹旧水垢导致附着力差、几周内脱落，除垢质量比涂层本身更影响持久度
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85%
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Long-term
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