[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

自动切断阀分内置式(需破管安装)和外夹式(套在阀门手柄外):外夹机械手免破管、可自装、可搬走复用,适合租房;内置电磁阀需专业燃气工上门开管,适合自有房长期使用

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90%
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Long-term
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