机电工程专业英语PDF电子书下载

SECTION 1 Mechanical Engineering 1

UNIT 1 1

Text Heat Treatment of Steels 1

Reading Material Iron and Steel 4

Exercises 4

UNIT 2 6

Text Forming and Machining 6

Reading Material Five Basic Machining Techniques 9

Exercises 10

UNIT 3 12

Text Machine Elements 12

Reading Material Gears 14

Exercises 17

UNIT 4 18

Text CAD and Applications 18

Reading Material Two-Dimensional Drawings 20

Exercises 21

UNIT 5 22

Text CAM and Applications 22

Reading Material NC Machines 24

Exercises 26

SECTION 2 Electric Circuits and Electronic Technology 28

UNIT 6 28

Text Basic Electricity and Magnetism 28

Reading Material Electricity Produced from Magnetism 31

Exercises 32

UNIT 7 34

Text Direct-Current Circuits 34

Reading Material Parallel Circuits:Voltage Relations 37

Exercises 39

UNIT 8 41

Text Transformers 41

Reading Material Operation Under Load 44

Exercises 45

UNIT 9 47

Text Electric Power 47

Reading Material Measurement of Electric Power and Energy 51

Exercises 52

UNIT 10 53

Text Electrical Instruments and Electrical Measurements 53

Reading Material Measurement of Resistance 55

Exercises 56

SECTION 3 Computer Applications 58

UNIT 11 58

Text Why Learn About Computers? 58

Reading Material Computers in the Home and Workplace 60

Exercises 61

UNIT 12 62

Text Memory 62

Reading Material Data and Programs 64

Information 64

Exercises 65

UNIT 13 67

Text Starting Your Computer 67

Reading Material Using the Windows Operating System 69

Using the Internet and World Wide Web 69

Exercises 70

UNIT 14 71

Text Software 71

Reading Material Systems Software 73

Application Software 74

Exercises 74

UNIT 15 76

Text What is a Network? 76

Reading Material Communications and Networks 78

Communications Protocols 79

Exercises 79

SECTION 4 Meters and Machine Control 81

UNIT 16 81

Text Four Important Controlled Variables 81

Reading Material Differential Pressure Flow Meters 82

Exercise 83

UNIT 17 84

Text Thermometer 84

Reading Material Resistance Thermometer 85

Exercises 86

UNIT 18 87

Text Automatic Control Systems 87

Reading Material Manual and Automatic Control Systems 88

The components of Automatic Control Systems 89

Exercises 89

UNIT 19 90

Text Two-position Control 90

Reading Material The Temperature Control of Steam-Jacketed Kettle 91

Exercises 92

UNIT 20 94

Text Proportional Control 94

Reading Material Rate Mode of Control 96

Exercises 96

SECTION 5 Chemical Mechanical Engineering 97

UNIT 21 97

Text Liquid Pumps 97

Reading Material The Centrifugal Pump 99

Exercises 100

UNIT 22 102

Text The Reciprocating Compressor 102

Reading Material Multistage Centrifugal Compressors 105

Exercises 106

UNIT 23 107

Text Continuously Fed Centrifuges 107

Reading Material Batch Centrifugals 110

Exercises 112

UNIT 24 113

Text Stresses in Pressure Vessels 113

Reading Material Heat Exchangers 116

Exercises 118

UNIT 25 120

Text Design of Packed Towers 120

Reading Material Agitation Equipment 122

Exercises 124

SECTION 6 Refrigeration and Air Conditioning Technology 125

UNIT 26 125

Text Air 125

Reading Material The Need of Air Conditioning 128

Exercises 129

UNIT 27 130

Text The Nature of Thermodynamics 130

Reading Material The Laws of Thermodynamics 132

Exercises 133

UNIT 28 135

Text Heat Transfer 135

Reading Material Three Fundamental Types of Heat Transfer 137

Exercises 138

UNIT 29 139

Text Mechanical Vapor Compression Refrigeration 139

Reading Material The Multipressure System 141

Exercises 142

UNIT 30 143

Text Evaporative Air Cooling 143

Reading Material Room Air Conditioners 145

Exercises 147

APPENDIX（附录一） 148

课文及阅读材料译文 148

附录二 练习答案 190

图题译文 203

参考文献 205