见到同事骑的一辆白色木兰摩托车,后尾灯下牌照板油污严重,经过观察发现,是因排气管后喷口与牌照板相对位置布局不够合理所致,具体位置粗测如图。由图我们可以明显看出,由于整车结构布局原因,排气管后喷口不仅离牌照板过近,而且正面也挡住了排气口正常排气,其后果是: See a colleague riding a white Magnolia motorcycle, rear taillight license plate oil serious, after observation found that the exhaust pipe is due to the relative position of the plate and the license plate layout is not reasonable, the specific location of the rough test shown in Figure. From the figure we can clearly see that, due to the layout of the vehicle structure, the exhaust after the nozzle not only from the license plate too close, but also obstruct the front exhaust normal exhaust, the consequences are: