Specialized English for AutomobileUnit 2-1Main Components of Engine ContentsPre-questionsII.TextExplanationIII.ExercisesI.Pre-questionsTheheartofautomobilevWhatimpressionoftheengine?complicatedpowerI.Pre-questionsvWhatarethetypesoftheengine?velectricmotors,steamengines,andinternalcombustionenginesvWhatstheinternalcombustionengine?vburnsfuelwithinthecylindersandconvertstheexpandingforceofthecombustionintorotaryforceusedtopropelthevehicle.I.Pre-questionsWords&phrasesvIntakemanifoldmnfld进气管vthrottl
