车辆工程专业英语考试复习题(共9页).docx
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1、精选优质文档-倾情为你奉上车辆工程专业英语考试复习题 1. In a work cycle of the engine ,each piston goes through four-stroke processes:intake stroke ,compression stroke ,power stroke and exhaust stroke.这种内燃机每完成一个工作循环活塞需要经历四个冲程-进气冲程,压缩冲程,作功冲程和排气冲程2. This terrific push against the piston forces it downward ,and a power impuise
2、is transmitted through the connecting rod to the throw on the crankshaft.上述压力作用快速推动活塞,迫使其向下运动,同时通过连杆将力传递给曲轴的曲柄。3.Valve mechanism of an internal combustion engine provides timely admission of the fresh charge into the cylinders and exhaust of spent gases from them.一个内燃机的配气机构主要是适时地吸入新鲜混合气到气缸,并且及时地从气缸中
3、排除尾气4.Valve mechanism includes valve group and valve driving group.The valve group includes valve,valve seat ,valve guide and valve spring.The valve driving group includes camshaft,lifter,push rod,rocker arm,timing gear and so on.配气机构包括气门组和气门传动组,气门组包括气门,气门座,气门导管和气门弹簧。气门传动组包括凸轮轴,挺杆,推杆,摇臂,正时齿轮等5.In or
4、der to strengthen the tanks as well as to prevent surging of fuel when the vehicle roundsa curve or suddenly stops,baffle plates are attached to the inside of the tank当车辆转弯或突然停车时,为了加固油箱也为了防止燃油波动,汽油箱内(通常)有挡油板6.Moreover to limit the transmission of frame distortion to the tank giving rise to squeking
5、as the metal parts get rubbed together.rubber or felt pads are often fitted between the mountings and the tank为了更好的限制车架变形传递到油箱而产生像金属元件在一起摩擦的敲击声,在衬托和油箱之间安装橡胶垫或毛毡垫7.the exhaust pipe is the connecting pipe between the exhaust manifold and the muffler or catalytic converter 排气管是排气歧管和消音器或吹化转化器之间的连接管8,The
6、 charging syetem does two jobs :Firstly ,it provideselectrical power for the ignition system and the car's other electrical accessories .Secondly ,it supplements the power used by the battery when staring the car.In order words,the charging system maintains the battery's state of charging充电系
7、统担负两项任务;第一,它为点火系统及汽车其他电器元件提供电能,第二,他提供蓄电池所需的能量。换句话说,充电系统维持着蓄电池的充电状态。9.A basic ignition system consists of the battery,low-tension coil and cables,the ignition coil,the distributor,high-tension coil and cables,spark plug cables and spark plugs.一个基本的点火系统包括蓄电池、低压线圈电缆、点火线圈、分电器、高压线圈电缆、火花塞电缆和火花塞。10.It cont
8、ains two basic electrical circuits:the primary circuit(low-vol tage circuit)and the secondary circuit(high-voltage circuit).The primary circuit consists of the battery,ignition switch,resistance wire,ignition coil primary winding,distributor contact point and connecting wiring.The secondary circuit
9、consists of the ignition coil secondary winding,distributor cap,distributor rotor,spark plug and spark plug wire.它包含两个基本电路:一次电路(低压电路)和二次电路(高压电路)。一次电路由蓄电池、点火开关、电阻线、点火线圈一次绕组、分电器出头和连接线组成。二次电路由点火线圈二次绕组、分电器盖、分电器转子、火花塞和火花塞线组组成。11.The purpose of the ignition switch is to connect and disconnect the ignition
10、 system with the battery, so the engine can be started and stopped as desired.点火开关的作用就是将点火系统与蓄电池进行连接或者断开,从而使发动机能够按照人的意愿起动或停止。12.The solenoid allows battery current to flow directly from the battery to the starter motor,which in turn cranks the engine.电磁线圈允许蓄电池电流直接从蓄电池流至起动机,从而驱动发动机运转。13.If the coolta
11、nt temperature falls below this pri-set temperature,the thermostat blocks the coolant flow to the radiator,forcing the water instead through a bypass directly back to the engine.如果冷却水温度低于设定温度,恒温器组织冷却水流入散热器,迫使冷却水从旁道回流到发动机。14.The engine lubrication system supplies oil to all the friction surfaces betw
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