Preface Unit 1 What Is Engineering 什么是工程? Unit 2 Choosing 8 Course 选择专业 Unit 3 Simple Machines 简单机械 Unit 4 More Mechanisms 更多机械装置 Unit 5 The Door 门 Unit 6 Engineering Materials 工程材料 Unit 7 Forces in Engineering 工程力学 Unit 8 Basic Circuits 简单电路 Unit 9 Computer Hardware 计算机硬件 Unit 10 The Switch 开关 Unit 11 Health and Safety 健康和安全 Unit 12 Engineering Drawing 工程制图 Unit 13 Graphs and Charts 图表 Unit 14 Machining Centers 加工中心 Unit 15 The Cupboard 橱柜 Unit 16 The Electric Motor 电动机 Unit 17 Injection Moudling 注塑成型 Unit 18 The Refrigerator 电冰箱 Unit 19 Central Heating System 中央供暖系统 Unit 20 The Bath 浴室 Unit 21 Corrosion 腐蚀 Unit 22 Scales and Strain Gauges 秤和应变仪 Unit 23 Car Engines 汽车发动机 Unit 24 Hydraulic and Pneumatic Systems 液压和气压系统 Unit 25 The Floor Sander 地板磨光机 Unit 26 The Future Car 未来的汽车 Unit 27 Waste Recycling Plant 废品回收厂 Unit 28 Robotics 机器人技术 Unit 29 Careers in Engineering 工程职业 Unit 30 Applying for a Job 工作申请 Appendix Ⅰ Student A Speaking Practice Appendix Ⅱ Student B Speaking Practice Appendix Ⅲ Translation of the Texts Appendix Ⅳ Glossary of Engineering Terms Appendix Ⅴ Mechanism Symbols Appendix Ⅵ Circuit Symbols References