内燃机专业英语：
一、教学内容：
在该部分内容中主要讲述内燃机、汽油发动机、柴油发动机等的相关知识。包括：1. Engine Classification and Overall Mechanics，发动机的分类和总体结构；2. Four-stage-engine Op
eration，四行程发动机工作过程；3. Two-stage-engine Operation，二行程发动机工作过程；4. Diesel Engine Operating Features，柴油发动机工作特点；5. Engine Cylinder  Block Crankcase，发动机气缸体  曲轴箱；6. Piston Connecting Rod，活塞 连杆；7.Crankshaft  Flywheel，曲轴 飞轮；8.Valves and Vales Train，气门与气门传动组；9. Engine Fuel System，发动机燃油系统；10. Engine Lubricating System，发动机润滑系统；11. Engine Cooling System，发动机冷却系统；12. Engine Ignition System，发动机点火系统；13. Engine Starting System，发动机起动系统；14. Locomotives，机车；15. Diesel Traction，内燃牵引。
二、教学时数：
共占用18学时。
1. Engine Classification and Overall Mechanics（1学时）
发动机的分类和总体结构
2. Four-stage-engine Operation（1学时）
四行程发动机工作过程
3. Two-stage-engine Operation（1学时）
二行程发动机工作过程
4. Diesel Engine Operating Features（1学时）
柴油发动机工作特点
5. Engine Cylinder  Block Crankcase（1学时）
发动机气缸体发动机散热器  曲轴箱
6.  Piston Connecting Rod（1学时）
活塞  连杆
7. Crankshaft  Flywheel（1学时）
曲轴 飞轮
8. Valves and Vales Train（1学时）
气门与气门传动组
9. Engine Fuel System（1学时）
发动机燃油系统
10.Engine Lubricating System（1学时）
发动机润滑系统
11. Engine Cooling System（1学时）
发动机冷却系统
12. Engine Ignition System（1学时）
发动机点火系统
13. Engine Starting System（1学时）
发动机起动系统
14. Locomotives（2学时）
机车
15. Diesel Traction（3学时）
内燃牵引
三、教学难点与重点：
重点内容有：
1. Engine Classification and Overall Mechanics，发动机的分类和总体结构；2. Four-stage-engine Operation，四行程发动机工作过程；4. Diesel Engine Operating Features，柴油发动机工作特点；5. Engine Cylinder  Block Crankcase，发动机气缸体  曲轴箱；7.Crankshaft  Flywheel，曲轴 飞轮；8.Valves and Vales Train，气门与气门传动组；9. Engine Fuel System，发动机燃油系统；10. Engine Lubricating System，发动机润滑系统；
11. Engine Cooling System，发动机冷却系统；13. Engine Starting System，发动机起动系统；14. Locomotives，机车；15. Diesel Traction，内燃牵引。
四、作业
三篇翻译

1. Engine Classification and Overall Mechanics
发动机的分类和总体结构
The automobile engines can be classified according to: 1. number of cylinders; 2. arrangement of cylinders; 3. arrangement of valves; 4. type of cooling; 5. number of cycles (two or four); 6. type of fuel burned; 7. type of ignition.
汽车发动机可以按以下几种情况分类：   
1．按气缸的数量分类；2．按气缸排列的力式分类；3．按进气方式分类；4．按冷却方式分类；5．按工作循环的行程数分类（二行程或四行程）6．按所用的燃料分类；7．按点火方式分类。 
The engine is the source of power that makes the wheels go around and the car move. The automobile engine is an internal-combustion engine because the fuel (gasoline) is burned inside it. The burning of gasoline inside the engine produces high pressure in the engine combustion chamber. This high pressure forces piston to move, the movement is carried by connecting rods to the engine crankshaft. The crankshaft is thus made to rotate; the rotary motion is carried through the power train to the car wheels so that they rotate and the moves.
发动机是使车轮转动、从而驱动汽车行驶的动力来源。汽车发动机是一种内燃机，因为燃油（汽油）是在发动机内燃烧的。汽油的燃烧在发动机燃烧室中产生的高压力，推动活塞运动，并通过连杆传到发动机曲轴。曲轴转动，动力传动系统将发动机的转动运动传给汽车车轮，从而使车轮及整车转动起来。
The engine requires a fuel system to supply it with a mixture of air and fuel. The fuel system does this by pumping liquid gasoline from a tank into the carburetor, a mixing device that mixes the gasoline with air. The mixture is delivered to the engine where it is burned.
发动机要求燃料供给系统为之供应汽油混合燃料。燃料系统把汽油从油箱中抽出来，通过化油器--一种把汽油空气进行混合的装置--将可燃混合气输送到发动机，并在那里进行燃烧。
The engine also needs a cooling system, the combustion of the air-fuel mixture in the engine creates a very high temperature (as high as 2000 to 2700 ℃). The cooling system takes heat away from the engine by circulating a liquid coolant (water mixed with antifreeze) between the engine and a radiator. The coolant gets hot as it goes through the engine. It cools off as it goes through the radiator. Thus, the coolant continually takes heat away from the engine, where it could do damage, and delivers it to the radiator. Air passing through the radiator takes heat away from the radiator.