Unit5Whatdoesamaintenancetechniciando?1
Inthisunit,youwilllearnhowtodescribemaintenancejobsindifferentworkplaces;analyseinformationoneffectivemaintenance;writeamemoandfillinamaintenancerecord.2
GettingReadyListeningSpeakingReadingWritingTakingActionDoYouKnowCheckingProgress3
Speaking4
SpeakingSituation1You(StudentA)areaninterntechnicianofafridgemanufacturingplant,andyourpartner(StudentB)isaninternasanautomechanicinanautomaintenanceworkshop.Youhavebeenpractisingforabouttwomonths.Youhavealottotalkaboutconcerningyourinternshipexperiences.Workwithyourpartnerandactoutthefollowingscenes.15
SpeakingA:Hi,howareyougettingonwithyourwork?B:Hi,everythingisgoingwell.Ourmainjobisautomaintenance.A:Whatdoyoufocuson?B:Atpresent,Ifocuson...A:Oh,that’sgreat!Thattypeofmaintenancecanenableamachinetoworkwell.Automaintenancechangetheengineoilreplacetheairfilter（空气过滤器）andthesparkplugschecktheconditionofthetyres,etc.BankofExpressions6
SpeakingSituation2Youshareyourinternworkexperienceswithyourpartner.FridgemaintenanceperformnecessaryworkofmaintainingplantequipmentcommunicatewithequipmentandpartssupplierstogetinformationontherepairorthereplacementofuselesspartstroubleshootwithadigitalmultimeterBankofExpressions7
SpeakingSituation3Youandyourfriendexchangetheinternworkexperiencestogether.AircraftmaintenanceperformanaircraftinspectioncarryoutanoverhaulrepairanaircraftBankofExpressions8
SpeakingSituation3Youandyourfriendexchangetheinternworkexperiencestogether.Railroadtrackmaintenancechangesleepers（枕木）lubricate（润滑）andadjustswitchestightenloosetrackpartsBankofExpressions9
SpeakingSituation3Youandyourfriendexchangetheinternworkexperiencestogether.Roadsurfacemaintenancecracksealing（裂缝修补）removepartsof
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