Unit 1
Text A Engineering Materials
Text B Choosing the Appropriate Rockwell Scale
Practical Writing 1 英文贺卡
Unit 2
Text A Basics of Sheet Metal Forming
Text B Sheet Metal Forming Defects
Practical Writing 2 英文电子邮件
Unit 3
Text A The Lathe
Text B Lathe Operations
Practical Writing 3 英文书信简介(1)
Unit 4
Text A The Milling Machine
Text B A Drill Press
Practical Writing 4 英文书信简介(2)
Unit 5
Text A Computer-aided Process Planning
Text B Powerful Part Modeling
Practical Writing 5 英文商务信函(1)
Unit 6
Text A Reset of Torque Limiter
Text B Carriage Drive Motor Replacement
Practical Writing 6 英文商务信函(2)
Unit 7
Text A Use of Microcomputers in NC Systems
Text B Feedback and Its Effects
Practical Writing 7 英文邀请信
Unit 8
Text A The Microcomputer Interface
Text B Sequential Control Using Programmable Logic Controllers
Practical Writing 8 英文邀请信的复信
Unit 9
Text A Work of CNC Programmers and Operators
Text B Methods for CNC Programming
Practical Writing 9 英文请柬
Unit 10
Text A CNC Maintenance and Users' Training
Text B CNC Diagnostics and Repair
Practical Writing 10 英文请柬的回柬
Unit 11
Text A Electric Circuit and Some Laws and Formulas About It
Text B Introduction and Primary Logic Functions of Integrated Circuits
Practical Writing 11 英文求职信
Unit 12
Text A Amplifiers
Text B Analog and Digital Transducers
Practical Writing 12 英文简历