汽車英語汽車商務(wù)英語Lesson4:AutomobileChassisIWarming-upPartone目錄TextParttwoWordsStudyPartThreeWarming-upPartone：Warming-upPartone：LookatthepictureandguesstheirChinesenames.TextParttwo：Parttwo：AutomobileChassisTextThechassisistheunderportionofanautomobile.Itconsistsoftransmissionsystem，drivingsystem，steeringsystemandbrakingsystem.Thechassishasthreemajorfunctions:1)tosupportandinstallcarbody,engineandtheothermajorparts,2)toreceiveandtransmitenginepower;3)toensurevehiclenormalrunning.Themaincomponentsofchassisareframe,springs,shock

absorbers,drivingshaft,brakes,tiresandwheelsandsoon.底

盤底盤是汽車的底部部件。它由傳動系、行駛系、轉(zhuǎn)向系和制動系四個部分組成。底盤有三個主要功能：1）支撐和安裝車身、發(fā)動機和汽車其它主要部件2）接受和傳遞發(fā)動機的動力3）確保車輛正常行駛。底盤的主要部件有：大梁、彈簧、減震器、傳動軸、剎車、車胎、車輪等。Parttwo：Therearetwomajorpartsforchassis.Text1.frontsuspension:Thefrontsuspensionallowsthefrontwheelstomoveupanddownandabsorbroadshocks.Anditalsoallowsthefrontwheelstoswingfromsidetosidesothatthecarcanbesteered.

2.rearsuspension:Thissuspensionusesleafsprings,showingarrangementatonewheel.Theleafspringisanchoredatthreeplaces:thefronthanger,andtheaxlehousing.底盤有兩大主要部件前懸架

此系統(tǒng)可以允許前輪上下移動，并可以吸收路面震動。還可以使前輪左右擺動，以便使汽車轉(zhuǎn)動。

后懸架

后懸架使用彈簧片，安裝在一個車輪上。彈簧片固定在三點上，既前支架、后吊耳和軸殼。WordsStudyPartThree：PartThree：chassistransmissionsystemdrivingsystemsteeringsystembrakingsystemshockabsorberframespringWordsStudy底盤傳動系統(tǒng)行駛系統(tǒng)轉(zhuǎn)向系統(tǒng)制動系統(tǒng)減振器車架彈簧frontsuspensionrearsuspensionhangercoilspringleafspringlowercontrolarmtrailingar