Unit 1 World History of the Automobile
Translate following expressions into English
1.steam engines 2. average speed 3. electric car 4 gasoline engine
如何去头屑5.automotive asmbly line 6. four-door cars
Translate following ntences into English.
1.The first automobiles were developed in the late 1800's.
2.Today cars are more comfortable and reliable.
3.Electric vehicles can only travel about 50 miles before recharging the battery..
4.The world's first auto group, GM, was founded.
Unit 2 Crankshaft and Connecting Rod Mechanismbones是什么意思
Phras and words translation
1.发动机2.曲轴箱3.气缸4.活塞5.连杆6except for.曲柄连杆机构7.机体；发动机组
8.气缸体9.润滑油10.nycc活塞环
Translate the following ntences into English.
1.The crank and connecting rod mechanism is mainly compod of the engine block asmbly, the piston and connecting rod asmbly, the crankshaft and flywheel asmbly.
2.The engine block asmbly mainly consists of an engine block, a crankca, an oil pan, cylinder sleeves, a cylinder head and cylinder head gasket.
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3.The piston and connecting rod asmbly consists of pistons, piston rings, piston pins and connecting rods.
4.The crankshaft and flywheel asmbly mainly include a crankshaft, a flywheel, a torsional vibration damper, a pulley, a timing gear（timing chain）.
5.Attached to the bottom of the engine block is the oil pan, which als in the lubricating oil for the engine.
6.In a reciprocating piston engine, the crankshaft and connecting rod mechanism is the main power mechanism. It's ud to convert reciprocating linear piston motion into crankshaft rotating motion.
7.The engine block is the linchpin of vehicles which run on internal combustion, providing the powerhou for the vehicle.
8.The crankshaft converts reciprocating motion of the pistons into a rotary motion in order to provide the turning motion for the wheels. The crankshaft is connected to the pistons by the connecting rods.
Unit 3 Valve Train
Translate the following ntences into Chine
1.配气机构的功用是按发动机每一气缸内所进行的工作循环或发火次序的要求， 定时开启和关闭进、排气门，使新鲜可燃混合气（汽油机）或空气（柴油机）得 以及时进入气缸，而废气及时从气缸排出。
2.配气机构是一个精准定时机构，主要是由气门、摇臂、推杆、挺柱和凸轮轴 等零件组成。
3.2012年7月28日气门的关闭和开启必须控制在正确的时刻。
4.摇臂的作用是将作用力从挺杆传递到凸轮。
5.气门挺杆通过推杆与摇臂相连。
6.挺柱是连接气门组和曲轴的元件.
7.发动机油穿过一个小开口在其内的活塞的底部的空腔的活塞下方。
8.凸轮轴是一根具有多个专门制造的凸起的圆轴，通过正时皮带或者正时链条 驱动。
Unit 4 Fuel System
Phras or words translation
1.弹簧2.化油器3.喷射4.喷油器5,节流阀6.油箱7.回油管8.空气流量传感器
9.脉动阻尼器10.油门
Translate the following ntences into English.
1.The function of both the carburetor fuel system and the fuel injection system is to supply a combustible mixture of air and fuel to the engine.
2.The more common type of timed fuel injection is the electronic-timed fuel injection, also known as electronic fuel injection(EFI).
傻笑着读完心理学
3.The fuel delivery system of an EFI system includes an electric fuel pump, a fuel filter, a pressure regulator, the injector valves, and the connecting lines and hos.
4.This maintains a pret amount of fuel pressure for injector valve operation. The fuel pressure regulator controls the amount of pressure entering the injector valves.
5.The EFI nsor system monitors engine operating conditions and reports this information to the computer.ries是什么意思
6.The air induction system for the EFI typically consists of a throttle valve, nsors, an air filter, and connecting ducts.
7.so huWhen current flows through the injector coil or solenoid, the magnetic field attracts the injector armature. The injector opens, squirting fuel into the intake manifold under pressure.
8.The throttle valve regulates how much air flows into the engine. In turn, it controls engine power output.
Unit 5 Lubrication System
Translate the following expressions
1.moving parts 2. frictional resistance 3. piston ring 4. oil path 5. oil filter
6.灰尘，颗粒7.减少磨损8.功率损耗9.气缸盖10.摇臂轴
Translate the following ntences into Chine
1.润滑油密封运动部件如轴承、轴之间的空隙，在摩擦表面之间形成油膜，实现 液体摩擦，减少磨损。
2.润滑油填满旋转轴颈和轴承之间的空隙。
3.当重载荷突然加载至轴承上，润滑油起着缓冲剂的作用，减少轴承磨损。
4.润滑油在气缸壁和活塞环之间形成了一道密封层，阻止了废气的流入。
5.较大的颗粒物会保留在油底壳中，而较小颗粒被机油滤清器过滤掉。
6.主轴承和连杆轴承被充分润滑，实现预期目标。
7.一些发动机的连杆表面存在细孔或凹槽，可以贮存少量润滑油，为活塞和汽 缸壁提供了额外的润滑。
decide的用法
8.脏颗粒物被机油滤清器保留下来，只允许清洁油通过。
Unit 6 Cooling System
Translate the following expressions
1.在....之前2.进入3,冷却液变热4.弯曲皮带5.加热器
6 rubber ho 7 compensating bucket 8 pressure tank cover 9 along / along 10 looks like
Translate the following ntences into English.
1.As the coolant flows through the passages, it picks up heat from the engine.
2.The water pump has the job of keeping the fluid moving through the entire system.
3.The radiator has two tanks, one for inlet of heated coolant and the other for outlet of the cooled fluid.
