High-tech exports HS code categorization

Engine deceleration: pay attention to both big and High-tech exports HS code categorizationsmall cars! With the continuous improvement of people's living standards, transportation is becoming more and more important in daily life, especially vehicles. Cars are the main means of transportation for people to travel, and the engine is the "heart" of the car, controlling the speed and power of the car. In the process of driving, engine deceleration is a skill that the driver needs to master, not only to avoid illegal speeding, but also to drive safely. First of all, what is engine deceleration? It means that the driver no longer provides power by stepping on the brake, loosening the accelerator or hanging into the bottom gear during the driving process, but consumes kinetic energy through the rolling of the vehicle to achieve the purpose of slowing down.Engine deceleration can reduce the frequency of brake use, reduce the wear and heat accumulation of the brake system, maintain the vehicle brake system and power system, and also save fuel consumption, which is a very practical technique. So, why should the engine slow down? 1. Safety reasons: Engine deceleration can reduce the speed of the vehicle when going downhill and avoid the safety hazards caused by overspeeding. Two. Maintenance reason: By slowing down the engine, the vehicle can use less brakes during driving, reduce the wear and heat accumulation of the brake system, so as to reduce the occurrence of vehicle failures and extend the service life of the car. 3. Environmental protection reasons: Engine slowdown can reduce the fuel consumption of the vehicle, achieve the effect of energy saving and emission reduction, and reduce environmental pollution at the same time. Therefore, in the daily driving process, weYou should use the skills of engine deceleration flexibly, drive correctly, and ensure the safety of yourself, passengers and others. Next, let's take a closer look at how to slow down the engine. 1. Step on the brake to slow down. Step on the brake is the most common way to slow down. When the speed is fast, the driver can slow down by stepping on the brake. When stepping on the brake, the brake disc and brake drum will produce high temperature. After a period of time, you need to pay attention to avoid damage to the brake disc and brake drum. In addition, if the speed of the car is relatively fast, it is recommended to step on the brake harder, but not too hard, otherwise it is easy to cause side slips and other accidents. Two. Loosen the accelerator to slow down. When the vehicle is driving, as long as the feet keep switching between the accelerator and the brake, the purpose of slowing down can be achieved. When the accelerator is released, the engine no longer provides power, and the speed of the vehicle will slow down. When releasing the accelerator, pay attention to timely judgment of the speed change to avoid slowing down too fast.3. Hang in the bottom gear to slow down. When the speed is relatively fast, hanging in the bottom gear can also slow down. After hanging the bottom gear, the engine will provide engine braking, and the resistance is large, and the speed will drop rapidly, but this method is only suitable for high speed and cannot be abused. In a word, the driver needs to use the engine deceleration skills flexibly and adopt different deceleration methods according to the driving situation. At the same time, you should pay attention to judging the road conditions and drive carefully to ensure the safety of yourself, passengers and other vehicles. At the same time, the correct use of engine deceleration can also extend the service life of the vehicle and reduce environmental pollution and wear of the brake system. Therefore, we should actively master and use engine deceleration skills to jointly create a civilized, safe and environmentally friendly driving environment.

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