 
After the fuel of the five commercial vehicles is burned in the combustion chamber of the engine, there will be many substances that are harmful to the human body, and when every 378.5 liters of gasoline is burned, there will be 400-2000/G. Sulfuric acid and nitrogen. The harmful substances produced will not only cause the corrosion of the cylinders of the five commercial vehicles, but it will also directly penetrate into the interior of the engine through three piston rings, and thus will be in the engine of the commercial vehicle. Some major components cause metal corrosion, and if this type of corrosion occurs, it is not possible to rely on lubricating oil alone to eliminate the hidden dangers.
1. When the engine of a five-seat commercial vehicle is in the process of burning, it will need to inhale air. At this time, even if there is a good air filtration device for the vehicle device, it is also difficult to bring all the air into the device. Some dust inhaled into the engine. If a large amount of dust is inhaled by the vehicle's engine, it will cause wear. Especially in the northwestern part of our country and in some areas where wind and sand conditions are relatively severe, the strength and wear of this type of engine are extremely manifested.
2. When the engine of five commercial vehicles is stopped, the temperature will gradually change from high temperature to low temperature, and in the change of temperature, there will be accumulated water and condensation gas in the engine of the commercial vehicle. In such a situation, metal rust may form on the engine of the commercial vehicle, especially when the engine is operated at a short distance each time, and the engine temperature of the vehicle does not get enough time to evaporate the water vapor.
3. The normal operation of a five-seat commercial vehicle during normal driving is not without wear. After the specific conditions of the engine wear of the commercial vehicle are clearly checked, then it can be learned that the lubricating oil can effectively reduce the engine wear of the five commercial vehicles. And in the correct use of the engine anti-wear protection products can also be extended to the life of the engine.
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