[KongchangAI]
Unverified80% confidenceCautionTime unknown

液化气钢瓶用户不应购买仅适配管道天然气的自闭阀,钢瓶减压阀出口压力(约2.8kPa)与天然气管道压力(约2kPa)不同,需选专用于液化气的过流切断阀

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Long-term
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