Unit One 1
Lesson 1 Basic Elements of Windows 1
Lesson 2 Windows Accessories 6
Lesson 3 Microsoft Windows 95 README for Setup 15
Lesson 4 Learning MS-DOS Basics 20
Lesson 5 Creating Drawing with AutoCAD 25
Lesson 6 Viewing the Internet 31
Supplementary Reading 37
Ⅰ Configuring Hardware Devices 37
Ⅱ Protecting Your Computer from Viruses 39
Ⅲ A Tutorial Lesson of AutoCAD-Drawing a Flange 41
Ⅳ How Modems Keep Computers In Touch 47
Ⅴ A Robot about the House 48
Ⅵ From Mozart to Megabytes 50
Ⅶ Applications of CAD 53
Vocabulary For Computers 57
Lesson 1 Kinds of Steels 63
Unit Two 63
Lesson 2 Heat Treatment of Steel 68
Lcsson 3 Engine Lathes 72
Lesson 4 Milling,Grinding and Shaping 77
Lesson 5 Systems of Limits and Fits 83
Lesson 6 Views on Mechanical Drawing 87
Supplementary Reading 91
Ⅰ Material Properties 91
Ⅱ Shafts and Gears 92
Ⅲ Types of Lathes 93
Ⅳ Drilling Machines 95
Ⅴ The Surface Quality 96
Ⅵ A Few Dimension Required 98
Vocabulary for Mechanism 100
Unit Three 114
Lesson 1 Thermosetting Plastics 114
Lesson 2 Plastic Pressing Methods(1) 119
Lesson 3 Cutting-Tool Materials 126
Lesson 4 Jigs and Fixture 132
Lesson 5 Forging,Stamping and Rolling 138
Supplementary Readings 143
Ⅰ The Tool Material 143
Ⅱ Plastic Processing Methods(2) 146
Ⅲ Single-point Cutting Tools 151
Ⅳ Fundamental Foundry Processes 159
Ⅴ Types of Molds 162
Vocabulary for Tools And Molds 165
Lesson 1 Frame Designs 176
Unit Four 176
Lesson 2 Brake Systems 180
Lesson 3 Drive Lines 186
Lesson 4 Suspension Systems 190
Lesson 5 Steering Systems 197
Supplementary Reading 203
Ⅰ An Advertisement 203
Ⅱ Ford Tempo 205
Ⅲ America on Wheels 206
Ⅳ The Internal Combustion Engine and the Motor Car 208
Ⅴ The Modern Vehicle 209
Ⅵ Internal Combustion Engines 209
Vocabulary for Cars 211
Unit Five 216
Lesson 1 Electron Tubes and Transistors 216
Lesson 2 Semiconductors 220
Lesson 3 Radio Waves 223
Lesson 4 Television 227
Supplementary Reading 230
Ⅰ Scanning and Deflection 230
Ⅱ Radio Broadcasting and Reception 233
Ⅲ The Reliability,Physical Size and Performance of Electronic Devices 234
Ⅳ Multimeter 236
Vocabulary For Electronics 239
Appendix Ⅰ English Extensive Reading Skills 243
Appendix Ⅱ A letter 246
Appendix Ⅲ 参考译文 248