UNIT 1 Engineering Drawing Reading and Translating Section A Types of Views Section B Mechanical Drawings and Dimensioning Listening and Speaking Writing： Description of First-angle Projection UNIT 2 Tolerance and Fits Reading and Translating Section A Limits， Tolerances and Fits Section B Interchangeability and Measurement Listening and Speaking Writing： Introduction of a Company UNIT 3 Engineering Materials Reading and Translating Section A Metals and Their Properties Section B Nonmetal Materials Listening and Speaking Writing： Order for Products UNIT 4 Machine Elements Reading and Translating Section A Transmissions Section B Shafts and Accessories Listening and Speaking Writing： Email for Request UNIT 5 Hydraulic Drive Reading and Translating Section A Pumps and Actuators Section B Valves and Basic Hydraulic Circuits Listening and Speaking Writing： Advertisement UNIT 6 Machine Tools Reading and Translating Section A Machine Tools Section B In Machine Shop Listening and Speaking Writing： Letters for Machinery Exportation UNIT 7 Forming Reading and Translating Section A Hot Working Section B Cold Working Listening and Speaking Writing： Complaint Letter UNIT 8 Molding Reading and Translating Section A Metal Casting Section B Plastic Molding Listening and Speaking Writing： Illustrating Sand Casting Process UNIT 9 NC and CNC Reading and Translating Section A Numeral Control （NC） Section B Computerized Numeral Control （CNC/DNC） Listening and Speaking Writing： Follow-up Letter UNIT 10 CAD and CAM Reading and Translating Section A Computer-aided Design（CAD） Section B Computer-aided Manufacturing （CAM） Listening and Speaking Writing： Dealing with Problems 课文参考译文 Keys for Exercises Bibliography
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