论文部分内容阅读
汽车上的两只大灯,无论是开远光或近光,一只大灯亮度正常,而另一只只有近光灯丝发出微弱的光.
Two headlights on the car, whether it is a wide beam or a low beam, one of the headlights is light and the other is only a low-beam filament that emits a faint light.