1.汽车发动机是由多个部件组成的复杂系统。
The car engine is a complex system composed of multiple components.
2.发动机工作流程是指发动机内部的燃烧和动力转换过程。
The engine working process refers to the internal combustion and power conversion process of the engine.
3.发动机的工作流程可以分为四个阶段：进气、压缩、燃烧和排气。
The engine working process can be divided into four stages: intake, compression, combustion, and exhaust.
4.进气阶段是指发动机从外部环境中吸入空气。
The intake stage refers to the engine sucking in air from the external environment.
5.压缩阶段是指气缸内的空气被压缩以提高温度和压力。
The compression stage refers to the air inside the cylinder being compressed to increase temperature and pressure.
6.燃烧阶段是指空气和燃料被点燃并产生爆炸。
The combustion stage refers to the ignition of the air and fuel to produce an explosion.
7.排气阶段是指燃烧产生的废气被排出发动机。
The exhaust stage refers to the waste gas produced by combustion being discharged from the engine.
8.发动机的工作流程需要精确的配合和时序控制。
The engine working process requires precise coordination and timing control.
9.发动机配有配气机构，用于控制进气和排气阀门的开闭。
The engine is equipped with a camshaft to control the opening and closing of the intake and exhaust valves.
10.点火系统用于在燃烧室中点燃混合气。
汽车发动机工作原理The ignition system is used to ignite the air-fuel mixture in the combustion chamber.
11.冷却系统用于冷却发动机并防止过热。
The cooling system is used to cool the engine and prevent overheating.
12.润滑系统用于减少发动机内部摩擦并保证零部件间的润滑。
The lubrication system is used to reduce internal friction and ensure lubrication between components.
13.发动机的工作流程需要不断的燃料供应和空气供应。
The engine working process requires continuous fuel and air supply.
14.空气滤清器用于过滤空气中的杂质，保护发动机。
The air filter is used to filter impurities in the air to protect the engine.
15.油滤清器用于过滤机油中的杂质，保持发动机清洁。
The oil filter is used to filter impurities in the oil to keep the engine clean.
16.发动机的工作流程受到气压、温度和负载等因素的影响。
The engine working process is affected by factors such as air pressure, temperature, and load.
17.发动机需要经常进行维护和保养，以确保正常工作。
The engine needs regular maintenance and upkeep to ensure normal operation.
18.发动机的工作流程直接影响汽车的性能和燃油经济性。
The engine working process directly affects the performance and fuel economy of the car.
19.热效率和功率是评价发动机工作流程的重要指标。
Thermal efficiency and power are important indicators for evaluating the engine working process.
20.发动机的工作流程是内燃机原理的具体体现。
The engine working process is a specific embodiment of the principle of internal combustion engines.
21.发动机的工作流程在不同的发动机类型中有所差异。
The engine working process varies in different types of engines.
22.发动机的工作流程是通过气缸内的往复运动来完成的。
The engine working process is accomplished through the reciprocating motion inside the cylinder.
23.汽油发动机和柴油发动机的工作流程有所不同。
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