Logistics optimization by HS code

As the core part of the car,Logistics optimization by HS code the car engine is an important part that drives the whole vehicle. To understand this technology, you need to start with basic terms. This article will introduce the basic terms of automobile engines to help readers understand the basic language of automobile engines. I. Classification of automobile engines Mechanical engines: There are many parts of mechanical engines, especially the valve mechanism is very complex. The mechanical engine converts hydraulic pressure into power output through mechanical transmission. Because the structure of the mechanical engine is relatively complex, it is difficult to maintain. Electronic engine: The electronic engine adopts electronic control technology to make the engine more intelligent, which is the development trend. Electronic engines are more advanced than mechanical engines, but because the electronic control system is extremely complex, it is also difficult to maintain.II. Basic terms of automobile engines 1. Discharge displacement refers to the volume of the cylinder in a work cycle, expressed in milliliters. The larger the displacement, the greater the power of the engine, but the fuel consumption will also increase. Two. The valve of the car engine is the part that regulates the amount of air in and out of the valve. The opening and closing of the valve is driven by the camshaft and is usually set on the cylinder head. When the engine is running, the valve opens automatically according to the program, entering an appropriate amount of air and oil to achieve the air-fuel ratio required for combustion. 3. The crankshaft is a component that converts the linear action of the piston into the engine power output. The crankshaft is often made of steel casting. After precision machining, it can rotate at high speed and is durable. Four. The piston is one of the most important parts of the engine. It is a cylindrical component cast from alloy. Its function is to compress.Move up during the course, compress the mixed gas, and then move down in the burst stroke to push the crankshaft to rotate quickly, so as to push the car forward. 5. Cylinder wall is the container wall in the cylinder, that is, the wall of coolant and gasoline combustion. The main function of the cylinder wall is to seal the piston, receive and emit the heat energy of the engine, and provide support for the piston. Usually, the cylinder wall is made of high-strength cast iron. 6. Fuel system The fuel system is a key part of the operation of the automobile engine, which is mainly composed of fuel tank, fuel pump, fuel injector, etc. The main function of the fuel system is to transport fuel from the fuel tank to the fuel system of the engine, so as to ensure the normal operation of the engine. 7. Ignition system Ignition system is a system designed for fuel ignition. It is mainly composed of ignition battery, ignition coil, spark plug electrode and ignition control module.The ignition system is an important part of engine operation. Its function is to provide current and sparks to the car engine so that the mixture can be ignited. III. How to maintain the car engine 1. Regular replacement of engine oil is an important lubricating oil for the engine, which can effectively reduce the wear rate of engine parts. Therefore, it is very important to change the oil regularly. The oil will turn black after a period of use, which is a normal physiological phenomenon. When the oil turns black, it needs to be changed in time. Two. Regular replacement of air filters is also a very important part of maintaining car engines. Its main function is to filter impurities in the mixed gas. When the air filter is used for a period of time, a lot of dirt will accumulate, which will reduce the quality of the mixed gas and aggravate the wear of the engine. Therefore, it is very important to replace the air filter regularly.3. Regular replacement of spark plugs is an indispensable part of the engine ignition system. Its function is to conduct current and create sparks during ignition. Regular replacement of spark plugs can improve the reliability of the car engine and enable smooth ignition. In a word, the power and passion brought by the car engine to the driver are irreplaceable, so the maintenance of the engine is very important. Understanding the basic terms of car engines can help car owners better maintain engines. Regular replacement of oil, air filters and spark plugs is the key point for car engine maintenance. Pay attention to regular replacement to ensure the normal operation of the engine.

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