汽车专业英语 4-2 Charging System 充电系统.ppt

汽车专业英语SpecialtyEnglishforAuto Section1AutomobileBasics Chapter4ChargingSystem 4 2ChargingSystem PartOne Warmingup WhatistheChargingSystemcomprisedof 4 2ChargingSystem PartOne Warmingup Whichpartofthevehicledoesthechargingsystemworksfor PartTwo WordsStudy 4 2ChargingSystem Themainpartsofthechargingsystem PartTwo WordsStudy 4 2ChargingSystem Themainpartsofthechargingsystem PartTwo WordsStudy 4 2ChargingSystem Thecomponentsofthetypicalalternator PartThree Text 4 2ChargingSystem Thechargingindicatordevicemostcommonlyusedisasimpleon offwarninglamp 译文 最常用的充电指示器是简单的开关警告灯 Itisnecessarytocontrolthemaximumvoltageandcurrentoutputdevelopedbythealternator 译文 限制最高电压和发电机的最大输出电流是必需的 PartThree Text 4 2ChargingSystem Ifyou rereplacinganalternatoryourself alwaysdisconnectthebatterybeforeunhookingthewiringonthealternator 译文 如果你自己动手更换发电机 记住在解下发电机电缆之前要先和蓄电池断开 Toomuchtensioncanoverloadthealternator sbearingsandshortentheunit slife whiletoolittletensionmayallowthebelttoslip 译文 发电机皮带太紧会使得发电机轴承过载并缩短它的寿命 而太松又会导致打滑 PartFour Practice 4 2ChargingSystem I TranslatethefollowingexpressionsintoChinese 1 chargingsystem2 chemicalenergy3 alternatingcurrent4 voltagegauge5 over charging6 alternatordrivebelt7 startingafire8 warninglamp9 directcurrent10 chargingindicator 充电系统化学能交流电电压表过充电发电机皮带着火警告灯直流充电指示器 PartFour Practice 4 2ChargingSystem II Readthefollowingpassagecarefullyandfillintheblankswiththeproperformofthegivenwords idlebatterydimcurrentalternatorheadlightsnormalintensityAquickwaytocheckthechargingsystemistostartthecarandturnontheheadlights Iftheheadlightsaredim itindicatesthelightsarerunningoffthebatteryandthatlittleornojuiceisbeingproducedbythealternator Ifthelightsgetbrighterasyourevtheengine itmeansthealternatorisproducingsomecurrentbutmaynotbeproducingenoughatidletokeepthebatteryproperlycharged Ifthelightshavenormalbrightnessanddon tchangeintensityastheengineisrevved yourchargingsystemisfunctioningnormally PartFour Practice 4 2ChargingSystem III TranslatethefollowingsentencesintoChinese 1 Sometimesalternatorscanpartiallyfail Inthebackofeveryalternatorisa diodetrio thatconvertsthealternatorsAC alternatingcurrent outputtoDC directcurrent 有时候发电机会部分衰减 在每个发电机的后部都有一个三极管 可以将交流电转化为直流电 2 Itisnecessarytocontrolthemaximumvoltageandcurrentoutputdevelopedbythealternator 必须控制发电机输出的最大电压和电流 3 Mostservicefacilitiesdonotrepairorrebuildalternatorsbecauseit stootimeconsumingandrequiresspecialparts 大部分服务部门不修复发电时 因为耗时太多 并且还需要专用设备 PartFour Practice 4 2ChargingSystem V TranslatethefollowingsentencesintoEnglish 1 最常用的充电指示器是简单的开关警告灯 充电系统包括蓄电池 发电机 电压调节器和充电报警或指示灯等 Themostcommonlyusedchargingindicatorisasimpleswitchwarninglamp Thechargingsystemincludesabattery agenerator avoltageregulator achargingalarm oranindicatorlightandsoon 2 蓄电池的功能是为汽车中的许多系统和部件提供电能