Unit 1　Text Classification of Engineering　Materials　Exercises　Reading Metallic MaterialsUnit 2　Text Mechanical Properties of　Metals　Exercises　Reading Properties of Engineering　MaterialsUnit 3　Text Heat Treating of Tool　Steels　Exercises　Reading Heat Treatment of　MetalsUnit 4　Text Polymer and Composites　Exercises　Reading Basic Concepts of Polymer　ScienceUnit 5　Text Electronic Component　Exercises　Reading AC GeneratorUnit 6　Text Circuits　Exercises　Reading Electric MotorsUnit 7　Text Parallel Operation of　Transformers　Exercises　Reading Aggregate Machine　ToolsUnit 8　Text Mechanisms　Exercises　Reading Selection of　MechanismsUnit 9　Text Manufacturing and Designing of　Production　Exercises　Reading What Is Needed for　ManufacturingUnit 10　Text Mechanical Design and Machine　Parts　Exercises　Reading Machine ElementsUnit 11　Text Tolerance and Fits　Exercises　Reading Dimension and　ToleranceUnit 12　Text Gears　Exercises　Reading GearsUnit 13　Text Shafts　Exercises　Reading ShaftsUnit 14　Text Bearings　Exercises　Reading Ball BearingsUnit 15　……Unit 16Unit 17Unit 18Unit 19Unit 20Unit 21Unit 22Unit 23Unit 24Unit 25Unit 26Unit 27Unit 28Unit 29Unit 30Unit 31Unit 32Unit 33Unit 34Unit 35Unit 36Unit 37Unit 38Unit 39Unit 40Unit 41Unit 42Unit 43参考文献