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chapter one frequently-seen english identifier of auto
unit one marks of manufactures��automobile model
unit two automobile��s label 
unit three technical parameters
chapter two automobiles��key components
unit four a section view of atypical car
unit five engine?
unit six chassis
unit seven electrical equipments
 
chapter three  new techniques and abbreviations
unit eight efi
unitninetsi
unitten srs
unit eleven esp
unit twelve commonly used abbreviations
 
chapter four vehicle tester and dtc
unit thirteen vagl552 tester
unit fourteen  obd-��trouble codes
unit fifteen symptom and fault analyze
 
chapter five reading materials
unit sixteen the history and major development of auto
unit seventeen engine operating principles
unit eighteen automatic transmission
unit nineteen check list
 
chapter six practical english for daily communications
unit twenty greeting and introduction
unit twenty-one asking the way and for help
unit twenty��two food and meals
unit twenty��three appointment and telephoning
unit twenty-four introducing products
 
postscript one vocabulary
postscript two auto abbreviations
postscript three service station tools and equipments
bibliography