随着当今科技的发展，越来越多的企业对技术工人的专业英语提出了较高的要求。专业英语的教学目的是指导学生查阅有关专业的外文相关资料，培养学生阅读英语专业资料的能力，使其能以英语为工具，获得更多的专业所需的知识，从而更好地适应社会的需求。严振宁主编的《机电专业英语》选择的文章及阅读材料尽量贴近实际应用，反映机电技术的新的发展方向。在文章选择上，每单元的知识点均采用了由简到难的顺序，在授课教师的引导和帮助下，学生可以较好地完成相关知识的学习。

严振宁主编的《机电专业英语》共10单元，每单元包括与单元知识点相关的课文、同步阅读(含练习)、两篇提升性的阅读材料共4篇课文及每单元后的练习，每单元的难度均由简到难。全书的内容涉及机械制图、工程材料、机械零件、公差配合、刀具、加工工艺、钳工、焊工、零部件及数控机床。本书选择的文章及阅读材料尽量贴近实际应用，反映机电技术的新的发展方向。在文章选择上，每单元的知识点均采用了由简到难的顺序，在授课教师的引导和帮助下，学生可以较好地完成本书的学习。

《机电专业英语》可作为职业院校机电类相关专业英语课程的教材，也可以作为广大自学者和工程技术人员的参考用书。

前言

Unit 1 Engineering Drawing

 Text: Engineering Drawing

 Synchronous Reading: Engineering Drawing

 Reading Material A: Computer Aided Design (CAD)

 Reading Material B: Historical Development of the CAD/CAM

 Exercises

Unit 2 Mechanical Properties of Metals

 Text: Properties of Metals

 Synchronous Reading: Materials

 Reading Material A: Mechanical Properties of Metals

 Reading Material B: Hardness and Hardness Testing

 Exercises

Unit 3 Mechanical Parts

 Text: Machine Elements

 Synchronous Reading: Machine Elements

 Reading MaterialA: Gears

 Reading Material B: Cams

 Exercises

Unit 4 Tolerance and Fits

 Text: Tools and Measures

 Synchronous Reading: Measurement

 Reading Material A: Dimensional Measurement

 Reading Material B: Limits and Tolerances

 Exercises

Unit 5 Machine Tools

 Text: Five Basic Machining Techniques

 Synchronous Reading: The Machine Tools

 Reading Material A: The Tool Material

 Reading Material B: The Production Tooling

 Exercises

Unit 6 Machining :

 Text: Primary Processes and Secondary Processes

 Synchronous Reading: Machine Tools

 Reading Material A: The Engine Lathe

 Reading Material B: Milling Machines, Shapers, Planers and Grinding Machines...

 Exercises

Unit 7 Basic Knowledge of Fitter

 Text: Benchwork and Fitters

 Synchronous Reading: Forging, Stamping and Rolling

 Reading Material A: Plumbing

 Reading Material B: Forging

 Exercises

Unit 8 Welding

 Text: Welding

 Synchronous Reading: Arc Welding

 Reading Material A: The History of Welding

 Reading Material B: Stresses Occurring in Welding

 Exercises

Unit 9 Mechatronics

 Text: Stepper Motor

 Synchronous Reading: Servo System

 Reading Material A: Motors

 Reading Material B: What Is Mechatronics?

 Exercises

Unit 10 CNC Machines

 Text: The Components of CNC Machine

 Synchronous Reading: The Need for Numerical Control

 Reading Material A: Numerical Control Automation

 Reading Material B: Advantages and Disadvantages of NC

 Exercises

附录 词汇表

参考文献