这个工具提供了一些开关，来控制其输出和指示器。
The utility offers several switches to control its output and indicators.
防冰系统可防止冰在缝翼前缘堆积，此系统包括供气管道、活门、终端开关、控制及指示器。
The wing anti-ice system prevents ice buildup on the wing leading edge slats, this system consists of air supply ducts, valves, terminal switches, controls and indications.
将电源送至控制箱内，按下ON/OFF按钮开关的ON键，运转指示灯指示，机。
Students will power is sent to the control box, press ON / OFF button switch ON keys, operation indicator light, machine.
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