一个有锋利边缘的指示器和带反射弧光灯能够使读数非常清楚，能够避免视觉误差。
Sharp edge of a reflex arc lamp indicator and band can make reading very clear, to avoid the visual errors.
用白炽灯与电感或电容组成的简易相序指示器电路、参数之间的关系可以有很多种不同选择。
We can choose various parameter in phase - order indicator formed by bulb and capacitor or inductor.
转动旋转滑阀15和离合器手柄到应急位置，指示器「应急「灯亮。
Turn both handles of the rotary slide valve ( pos. no. 15 ) and the clutch to the emergency position, and the annunciator " emergency " is lit on.
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。
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。
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.
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