The harmful particles in the haze are harmful to the human respiratory system, cardiovascular and cerebrovascular, etc., and long-term inhalation of serious particles can lead to death! For friends who drive, how can we keep the air in the car clean when the smog is serious?

Introduce several methods for judging abnormal noise of semi-trailer chassis:

Many semi-trailer drivers have just graduated from driving schools and got their driving licenses. They feel that they can drive on the road. In fact, this is a kind of performance of being skilled and low-handed. We can learn to drive slowly. That is very dangerous.

The turning action of the semi-trailer is simple and knowledgeable

1. When turning, pay attention to whether there are pedestrians in the blind spot of the viewing angle, especially those riding a battery car, which suddenly appear silently. Always check your tires before you travel.

The range from the lowest gear to the highest gear is the adaptation range of this gear. Avoid using the lowest or highest gear for a long time as much as possible.

Most of my friends think that semi-trailer tractors are difficult to control. In fact, as long as you have a good grasp of yourself, always remind yourself, work hard and work hard, you will definitely become a good semi-trailer driver.

First, be sure to check the car well before leaving the car, especially the brakes and clutches, the air pressure oil of the brakes and the water in the water tank, but the tires are also very important.

The essence of black smoke is insufficient combustion. There are two possibilities for poor combustion: too little intake air or abnormal fuel supply. Why not burn enough: