流量指示器用于声音报警，灯光报警，当流量发生时启动电机、泵等继电器或起动器开关。
Waterflow indicator used to sound alarm, light signal, actuate relays or starter switches for motors, pumps, etc., when low occurs.
驾驶舱指示器系统的灯光可通过中央面板上的“灯光”开关来调暗或测试。
The flight compartment system indicator lights may be dimmed or tested by the use of a light switch located on the center instrument panel.
驾驶舱指示器系统的灯光可通过中央面板上的“灯光”开关来调暗或测试。
The flight compartment system indicator lights may be dimmed or tested by the use of a light switch located on the center instrument panel.
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