[KongchangAI]
Unverified82% confidenceTradeoffTime unknown

疏水持久时长与施工便利性存在权衡:需高温固化或多次涂布的专业级涂层可撑8-12个月,但施工繁琐;一喷即用的便捷型通常只能维持1-3个月

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82%
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Long-term
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