减压阀的备用阀门被打开,减少压力。
7小时30分钟尽管操作员已将水抽入主回路,但温度仍然很高。减压阀的备用阀门被打开,减少压力。
7 hr 30 min Even after operators pump water into the primary loop, pressure is still high. The PORV 'backup valve is opened to lower the pressure.
使用的气瓶和备用气瓶之间有一个半自动调节阀来控制。
Each gas manifold shall be constructed to provide semi-automatic switch over from in-use cylinders to online backup cylinders.
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