How to map trade data to SKUs

How does the engine work (Introduction to the working principle of the engine) The How to map trade data to SKUsengine is one of the most complex parts of mechanical equipment. It is one of the core components of modern transportation. Whether it is a car, an airplane, a ship or a rocket, it needs an engine to provide power. So, how does the engine work? This article will introduce the working principle of the engine.1. Types of engines Common types of engines include internal combustion engines, steam engines and turbines. Internal combustion engines are divided into gasoline engines, diesel engines and natural gas engines. This article mainly introduces the working principle of gasoline engines and diesel engines. Two. The working principle of the gasoline engine. The gasoline engine is an internal combustion engine. It ignites the mixture by mixing air and fuel to explode, thus promoting the piston movement. The main components of the gasoline engine include cylinders, pistons, crankshafts, ignition systems and fuel systems. The working principle of the gasoline engine is as follows: 1 manual start or automatic start. 2 The intake valve in the cylinder opens, the piston moves down, and the air enters through the intake valve and fills the cylinder. 3 The intake valve is closed, and the piston moves up to compress the air in the cylinder. 4 Ignition system start: The ignition plug emits a spark to ignite the mixture, causing the air and fuel mixture to explode.5 During the explosion, under the pressure of the explosion, the piston is pushed down to drive the crankshaft to rotate. 6 The exhaust valve opens and the piston rises to discharge the exhaust gas from the cylinder. 7 Go back to the second step and repeat the above steps. 3. The working principle of diesel engine. Diesel engine is also an internal combustion engine. Compared with gasoline engine, its working principle is slightly different. The diesel engine compresses the air and injects it into the fuel, which ignites it by compressing the fuel. The main components of a diesel engine include cylinder, piston, crankshaft, fuel injector, intake valve and exhaust valve, etc. The working principle of the diesel engine is as follows: 1 In the first stroke, the intake valve of the diesel engine opens, and the piston moves down to suck air into the cylinder. 2 The intake valve is closed, and the piston moves upwards, so that the air is compressed in the cylinder, and the temperature in the cylinder rises sharply. 3 The oil pump starts to work, and the compressed air is injected into the cylinder. The fuel is mixed with the air to form atomized fuel.4 The fuel nozzle injects fuel when the piston reaches the highest point, and the ignition plug ignites the fuel after receiving the signal. 5 The fuel burns and releases heat, pushing the piston down and driving the crankshaft to rotate. 6 The exhaust valve is opened, and the exhaust gas is discharged from the cylinder. As the crankshaft continues to rotate, the intake valve opens repeatedly to start a new working cycle. To sum up, the working principle of the engine is very complicated, but through a simple introduction, you can basically understand its working principle and operation mode. Engines have now become one of the most commonly used and important machines in our lives. Although people have begun to use electric vehicles, engines still play a central role in many industries. Whether in the aerospace, marine or military fields, as well as industries such as vehicles, household appliances and power tools in human daily life, engines play an irreplaceable and important role.

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