本书由科普篇、技术基础篇、专业篇、应用篇及附录等五部分组成。科普篇包括物理学、机器人、计算机基础、现代通讯及地铁自动化等内容；技术基础篇包括金属材料及热处理、力学、热加工、机械原理及机械零件等内容；专业篇包括金属切削机床、加工工艺、金属切削原理与刀具、机床的液压传动、机床夹具、量具、冷冲模、机床的数字控制、成组技术及计算机集成制造系统等内容；应用篇包括数控机床操作面板、机电产品说明书、合同等内容；附录包括科技英语的特点、英汉科技翻译基础知识、常见应用文的特点、英文机械图样用语及总词汇表等。全书共二十六课52篇文章。每课除一篇课文之外，还有一篇与课文内容相关的阅读材料。
本书的特点是：1）与基础英语的衔接性好；2）文章内容覆盖面比较宽，阅读材料丰富，专业词汇比较全面；3）难度适当；4）实用性较强。
本书适合于作为机械类中专学生的专业英语教材，也可供机械类大专学生及机械工程专业技术人员学习参考。

前言
Part Ⅰ Science
Lesson 1 Forces Have both Magnitude and Direction
Reading Material Weight and Mass
Lesson 2 Robots
Reading Material Applications of Industrial Robots
Lesson 3 About Electricity
Reading Material Switches and Fuses
Lesson 4 Basic Components of a Digital Computer
Reading Material Multimedia Information Superhighway
Lesson 5 America on Wheels
Reading Material the World's First Completely Automatic Railway
Part Ⅱ Basis
Lesson 6 Stress and Strain
Reading Material Factor of Safety
Lesson 7 Plain Carbon Steels
Reading Material Aluminum
Lesson 8 Annealing and Normalizing of Plain Carbon Steels
Reading Material Hardening and Tempering of Plain Carbon Steels
Lesson 9 Sand Casting
Reading Material Forging
Lesson 10 Soldering and Brazing
Reading Material Adhesives
Lesson 11 Shafts
Reading Material Sliding Bearings and Rolling-Element Bearings
Part Ⅲ Speciality
Lesson 12 Lathes
Reading Material Methods of Holding Work in a Lathe
Lesson 13 Drillpresses
Reading Material Drills and Drill Holders
Lesson 14 Milling Machines
Reading Material Milling Cutters
Lesson 15 Cylindrical OD Grinders
Reading Material Grinding fluids
Lesson 16 Hydraulic Systems of Machine Tools
Reading Material Safety Valves
Lesson 17 Turning Tools
Reading Material Grinding Wheels
Lesson 18 Jig Types
Reading Material Bushing Types and Applications
Lesson 19 How to Read a Vernier
Reading Material Gage Blocks
Lesson 20 Die Cutting Operations
Reading Material Types of Dies
Lesson 21 Basic Components of an NC System
Reading Material the Advantages of NC
Lesson 22 Applications of Numerical Control
Reading Material Types of NC Systems
Lesson 23 Group Technology
Reading Material Computer-Integrated Manufacturing
Part Ⅳ Application
Lesson 24 FANUC Series 15M Operator's Manual
Reading Material FANUC System Operation Unit-CRT/MDI Panel
Lesson 25 Miniature Electronic Calculator Operation Manual
Reading Material Apart of a Recorder Operation Instuction (Counter for Deck 2)
Lesson 26 Agency Agreement
Reading Material Contract
Part Ⅴ Appendix
Appendix A 科技英语的特点
Appendix B 英汉科技翻译基础知识
Appendix C 英语应用文的特点
Appendix D 英文机械图样用语
Appendix E Vocabulary
参考文献