Unit4TheStructureoftheautomobile(1)

TheStructureoftheAutomobile AutomobileEnglish Unit4 ByGaoErfuNovember 2009HarbinThe15th VocationalSchool Drawacar TwoQuestions Howmanycomponentsarethereinthecar Whatarethemostimportantfourmajorcomponentsinthecar MajorComponentsofACar Engine Body Chassis Electricalsystem let smakeupacar TheEngine TheHeartofacarAmachinethatconvertsenergyintomechanicalforceormotion Thestructureofanengineisclassifiedintotwomechanismsandfivesystems MainComponentsofEngine Pistonandcrankshaft Cylinderblock TimingchainandCylinderhead Sparkplug Valvesandcamshaft Exhaustpipe StructureofEngine TwoMechanismsofEngine cranklinkmechanism Valvemechanism StructureofEngine FiveSystemsofEngine CoolingSystem FuelSupplyingSystem LubricatingSystem IgnitionSystem StartingSystem WorkProcessof4StrokeEngine Intake Compression Power Exhaust WorkProcessof4StrokeEngine Thechassis Thechassisistheframeholdsthebodyandmotorofanvehicle ConstitutionofChassis Powertrain Steeringsystem Runninggear Brakingsystem Bodywork thestructurewhichmustprotectthedriver thepassengers andcargo ConstructionofVehicleBody Door Dashtrimming Hood Roof Boothood Wing fender Theelectricalsystem Theelectriclsystemofavehiclesuppliespowerandenablestheflowofinformationbetweencomponentsandcontrolunits 定义或简介 看你书上怎么写的 Theelectricalsystem Somanyapplicationsofmoderncarsisbasedonelectricalsystem Suchasengineelectriccontrolsystem chassiselectricsystem bodyelectricsystem comfortablesystemandinformationsystem TheStructureoftheAutomobileAnautomobileconsistsofmanydifferentkindsofcomponents Thereare majorcomponents Theengineis ofthevehicleandis ofpowerthatmakesitmoves Thechassisis ofthevehicleandsupportsallofthemajorcomponents Thebodyincludes and Theelectricalsystemisalsoveryimportantasitsupplies formanycomponentssuchasstartingsystem thelightingsystemandsoon Exercises Fillingtheblankets Theenginetroubel Theelectricalsystemtrouble Thechassistrouble Thebodytrouble Completethedialogs Therearefourtaskssettingforyou pleasecompletetheconversations SomethingiswrongwithMr Smith scar HewenttoaskTom atechnician forhelp Mr Smith Tom Tom Goodmorning What swrongwithyourcar sir Smith Yes Ican tstarttheengine Tom Letmecheckit SomethingiswrongwithMr Smith scar HewenttoaskTom atechnician forhelp KEYWORDS sparkplugreplace Task1Theenginetrouble SomethingiswrongwithMr Smith scar HewenttoaskTom atechnician forhelp Tom WelcometoXinhuaAutoRepairWorkshop WhatcanIdoforyou Smith Well mycarhassometrouble It shardtochangegearwhenIamdriving Tom Thereissomethingwrongwith KEYWORDS clutchclutchplate Task2Thechassistrouble There ssomethingwrongwithSmith scar SosmithwenttoaskTom atechnician forhelp Smith Canyouhelpme Tom Tom Sure I lltry What sthematter Smith KEYWORDS frontlightbulbburntout Task3T