[KongchangAI]
Unverified80% confidenceFactTime unknown

T型硅胶防臭芯依靠水压推开、无水时自动闭合的原理防臭,无需存水,适合长期无人使用或干区地漏,避免传统深水封干涸失效

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80%
Confidence
Long-term
Relevance
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