Battery CHARGER, an electrical device supplied with alternating current, which produces a direct current output for charging the battery on the airplane.
电瓶充电器，用交流电向飞机内电瓶充电的电气装置。带有交流电的电气装置，该装置产生直流电向飞机上的电瓶充电。
It has glow caution light, nightlight, direct current output function that could emergency charging for mobile phone, digital goods and so on and has FM radio function.
且具有红灯闪烁警示功能；夜灯和射灯功能；直流输出功能(可向手机、数码相机等产品应急充电)和FM收音功能。
The tester is additionally connected with a filament switching indicator and a pair of direct current output poles for testing the condition of the filament of a fluorescent lamp.
本检测器还附加接有灯丝通断指示器和一对直流输出极，作为检测荧光灯灯丝情况用。
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