The pneumatic control system is designed to control either of two valves by using a panel mounted selector switch to choose the valve to be controlled.
气动控制系统采用一个控制面板，安装选择开关来选择所控制的阀门，实现对两个阀门的任何一个单独控制的功能。
The Landing Gear Selector Lever is located on the center instrument panel.
起落架选择杆位于中央仪表板。
Selector switches for the fine screen are located on local control panel, each screens is equipped with an emergency stop.
自动细隔栅的选择制设在现场控制盘上，每台自动细格栅旁设紧急按钮。
Selector switches for the fine screen are located on local control panel, each screens is equipped with an emergency stop.
自动细隔栅的选择制设在现场控制盘上，每台自动细格栅旁设紧急按钮。
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