[KongchangAI]
Unverified85% confidenceCautionTime unknown

工作压力范围必须覆盖当地供气压力:天然气民用低压约2-3kPa,选额定压力范围含此区间即可;不要单独购买高压天然气/工业燃气用高压阀(额定几十kPa以上),压力等级不匹配存在安全隐患

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