新概念汽车实用英语 教学课件 作者 毛矛 新概念汽车实用英语U11.ppt

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1、新概念汽车实用英语UNITELEVEN1WORDSANDPHRASESelectricspark电火花magneto[mæg'ni:təu]n.磁发电机2WORDSANDPHRASEScoil[kɔil]n.线圈v.盘绕；卷contactbreaker断电器；触断器3WORDSANDPHRASESconcomitant[kən'kɔmitənt]a.相伴；共存的n.附随物ignitioncoil点火线圈4WORDSANDPHRASESautotransformer[,ɔ:təutræns'fɔ:mə]n.自耦变

2、压器route[ru:t]vt.按路线发送n.航线；路线5WORDSANDPHRASESensuing[in'sju:iŋ]a.继而发生的；接下来的capacitor[kə'pæsitə]n.电容器timed[taimd]a.同步的；定时的6WORDSANDPHRASEScam[kæm]n.凸轮magneticfield磁场EMFn.电动势7WORDSANDPHRASEScontactburning触点烧蚀breakerpoint断电器触点，白金触点8WORDSANDPHRASEScondenser[kən'd

3、ensə]n.电容器；凝结器；冷却器rotor['rəutə]n.分火头；转子9WORDSANDPHRASESdistributorcap分电器盖lead-acidbattery铅酸蓄电池；铅酸电池10WORDSANDPHRASESdynamo['dainəməu]n.发电机；直流发电机transformer[træns'fɔ:mə(r)]n.变压器11WORDSANDPHRASESwinding['waindiŋ]n.线圈；卷；弯曲a.蜿蜒的；卷绕的alternatingcurrent交流电12WORDSAN

4、DPHRASESresistor[ri'zistə]n.电阻器reservoir['rezəvwɑ:]n.水库；蓄水池；容器13WORDSANDPHRASESrideon骑在；依靠sequentially[si'kwenʃəli]ad.顺序地；依次地；继续地14WORDSANDPHRASESbesubjectto易受...的oxidation[ɔksi'deiʃən]n.氧化15WORDSANDPHRASESmechanicalvariations机械变形angular['æŋgjulə]a.有角的；消瘦的16

5、WORDSANDPHRASESsensor['sensə]n.传感器；探测器HallEffect霍耳效应17WORDSANDPHRASEScircuitry['sə:kitri]n.电路；线路trigger['trigə]v.触发；引发n.触发器；板机18WORDSANDPHRASESthyristor[θai'ristə]n.可控硅整流器theturnofthecentury本世纪初19TEXT：IGNITIONSYSTEMAnignitionsystemisasystemforignitingafuel-a

6、irmixture.Itisbestknowninthefieldofinternalcombustionenginesbutalsohasotherapplications,e.g.inoil-firedandgas-firedboilers.Theearliestinternalcombustionenginesusedaflame,oraheatedtubeforignition,butthesewerequicklyreplacedbysystemsusinganelectricspark.20IGNI

7、TIONSYSTEMThesimplestformofsparkignitionisthatusingamagneto.Theenginespinsamagnetinsideacoil,andalsooperatesacontactbreaker,interruptingthecurrentandcausingthevoltagetobeincreasedsufficientlytojumpasmallgap.Thesparkplugsareconnecteddirectlyfromthemagnetooutp

8、ut.Magnetosarenotusedinmoderncars.21IGNITIONSYSTEMWiththeuniversaladaptationofelectricalstartingforautomobiles,andtheconcomitantavailabilityofalargebatterytoprovideaconstantsourceofelectricity,m