后外流阀允许客舱空气排出到机外以保持客舱压力。
The aft outflow valve allowing cabin air to exhaust overboard to maintain cabin pressure.
压力控制系统包括一个外流阀、前外流阀、压力控制器、控制面板、压力传感器和监视器。
The pressure control system consists of an aft outflow valve, forward outflow valve, pressure controller, control panel, pressure sensing inputs, and monitoring indicators.
前外流阀接收一个从后外流阀来的控制信号。 当后外流阀被关闭时，前外流阀接收又个信号驱使完全关闭。
The forward outflow valve receives a control signal from the aft outflow valve . when the aft outflow valve is closed, the forward outflow valve receives a signal to drive full closed.
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