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稳压泵一停，消防水箱就咕嘟咕嘟反水是因为止回阀无法止水的原因
稳压泵一停，消防水箱就咕嘟咕嘟反水，这是因为止回阀无法止水的原因，按稳压泵控制柜启泵按钮没有反应，先看看是不是热敏继电器动作了
消防维修现场视频3/43
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