汽车英语培训省公开课一等奖全国示范课微课金奖PPT课件.pptx

1/72Chapter1BriefIntroductionUnit1TypesofModernAutomobiles1、withrespecttocapacity能力、负载
Minicar微型汽车
subcompactcar普通级汽车(/'sʌb'kɔmpækt/超小型汽车)
compactcar中级汽车(/'kɔmpækt/紧凑,紧密)
Intermediatecar中高级轿车(/.intə'mi:djət/中级,中间)
limousine(pullmansaloon)高级轿车(/'limu(:)zi:n/豪华轿车;/'pulmən/卧车,普式火车)Crown（2.5～3L）2、withrespecttoenginearrangementanddrivingtypePassengerCars客车TruckTractor牵引车Specialvehicle专用车(/'vi:ikl/交通工具,车辆)Unit3Maintechnicalspecifications8.Wheelbase轴距(/'wi:lbeis/)
9.track(tread)轮距
10.Frontoverhang前悬
11.Rearoverhang后悬
12.Minimumgroundclearance最小离地间隙
13.Aproachangle靠近角(/'æŋgl/角度)
14.Departureangle离去角
15.Turningdiameter转弯直径(/dai‘æmitə/直径)Unit4RunningPrincipleoftheAutomobile汽车运行原理RelationbetweentotalresistanceandtractiveforceExtralargebus大客车Mediumandheavytruck中型货车和重型货车（/'mi:djəm/适中,中等)Chapter2PrincipleandEntirestructureofEngine发动机原理和整体结构Single-cylinderengineUnit1ElementaryTermsUnit2PrincipleofFour-strokeEngine四冲程发动机原理进气门进气行程压缩行程作功行程压力线T=1200~1500K
p=105~400kPa
Realdiagramofdieselengine（/‘di:zəl/柴油）Unit3ClassificationofEngineUnit4EntireStructureoftheEngine发动机总体结构connectingrod连杆Camshaft凸轮轴EngineconstructionofSantanaEnginecoolingsystemofSantanaEnginelubricatingsystemofSantana（/lubricate/v.润滑,涂油）Fuelsupplysystem燃料供给系统Valvegear气门机构GasTurbine（/'tə:bin,-bain/n.涡轮）燃气涡轮机Chapter3ConnectingRodUnit1Introduction工作条件Unit2EngineBodyCylinderblockandcrankcase气缸体和曲轴箱ClassificationWithrespecttocylinderarrangementHorizontallyopposedtype
水平对置式（/.hɔri'zɔntli/水平,横）Crankcase（oilpan）曲轴箱（油底壳）Cylinderheadcylindergasket气缸垫CombustionchamberCylindergasket气缸垫Unit3PistonandConnectingRod活塞和连杆Piston活塞
Function功用：Withstandinggaspressureandforcecrankshafttorotate承受气体压力，并经过活塞销和连杆驱使曲轴旋转。
Workingsurroundings工作环境：operatingunderexceedinglydifficultmechanicalandthermalconditions高温、散热条件差（/ik'si:diŋli/非常(极其,极度地,很);/'θə:məl/热,热量）
Material：aluminium,greyiron铝合金；灰铸(/.ælju'miniəm/铝)
Components
Pistontop活塞头部ClassificationofpistontopPistonhead活塞头部RealdiagramofthepistonPistonskirt活塞裙部Slottedpiston（gasolineengine）开槽活塞（汽油机）（有槽）P