The PORV 'backup valve is opened to lower the pressure.
减压阀的备用阀门被打开，减少压力。
The PORV light goes out, indicating that the valve is now closed.
减压阀指示灯熄灭，表明阀门当前已关闭。
3 SEC The PORV (pressure relief valve) opens automatically, releasing steam into a holding tank.
3秒减压阀自动打开，将蒸汽释入一个储存罐。
The PORV light goes out, indicating that the valve is now closed. The valve is actually still open.
减压阀指示灯熄灭，表明阀门当前已关闭。阀门事实上还开着。
Steam and water continues to be released through the PORV, creating a LOCA (loss of coolant accident).
蒸汽和水通过减压阀持续释放，造成失水事故。
More than a quarter of a million gallons of radioactive cooling water has been discharged since the PORV first opened.
自减压阀首次被打开后，已经有25万加仑放射性冷却水被排出。
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.
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。
The control rods, in turn, react to the superheated steam and begin to release hydrogen and radioactive gases. These are also released through the PORV.
控制棒接连与过热蒸汽产生反应，释放出氢气以及放射性气体，这些气体也通过减压阀释放。
The control rods, in turn, react to the superheated steam and begin to release hydrogen and radioactive gases. These are also released through the PORV.
控制棒接连与过热蒸汽产生反应，释放出氢气以及放射性气体，这些气体也通过减压阀释放。
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