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.

youdao

在这种情况下，真空释放阀和制动灯开关都有刹车踏板的运动控制。

In this case, both the vacuum release valve and the stoplight switch are actuated by movement of the brake pedal.

youdao

拆下大型固定CO2的启动瓶控制管路（包括消防站的），关闭CO2到机舱的释放阀，将CO2的门电焊焊死。

I. To disconnect the fixed CO2 start up line (include in fire station) and to close CO2 discharge valve to engine room.

youdao