UNIT 1 Engineering Drawing
Reading and Tralating
Section A Types of Views
Section B Mechanical Drawings and Dimeioning
Listening and Speaking
Writing: Description of Fit-angle Projection
UNIT 2 Tolerance and Fits
Reading and Tralating
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 Tralating
Section A Metals and Their Properties
Section B Nonmetal Materials
Listening and Speaking
Writing: Order for Products
UNIT 4 Machine Elements
Reading and Tralating
Section A Tramissio
Section B Shafts and Accessories
Listening and Speaking
Writing: Email for Request
UNIT 5 Hydraulic Drive
Reading and Tralating
Section A Pumps and Actuato
Section B Valves and Basic Hydraulic Circuits
Listening and Speaking
Writing: Advertisement
UNIT 6 Machine Tools
Reading and Tralating
Section A Machine Tools
Section B In Machine Shop
Listening and Speaking
Writing: Lette for Machinery Exportation
UNIT 7 Forming
Reading and Tralating
Section A Hot Working
Section B Cold Working
Listening and Speaking
Writing: Complaint Letter
UNIT 8 Molding
Reading and Tralating
Section A Metal Casting
Section B Plastic Molding
Listening and Speaking
Writing: Illustrating Sand Casting Process
UNIT 9 NC and CNC
Reading and Tralating
Section A Numeral Control NC
Section B Computerized Numeral Control CNCDNC
Listening and Speaking
Writing: Follow-up Letter
UNIT 10 CAD and CAM
Reading and Tralating
Section A Computer-aided DesignCAD
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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