UNIT 1 Engineering Drawing(工程制图) 1
Reading and Translating 2
Section A Types of Views(视图的种类) 2
Section B Mechanical Drawings and Dimensioning(机械制图及标注) 10
Listening and Speaking 16
Writing:Description of First-angle Projection(第一视觉投影) 18
UNIT 2 Tolerance and Fits(公差与配合) 19
Reading and Translating 20
Section A Limits,Tolerances and Fits(极限、公差与配合) 20
Section B Interchangeability and Measurement(互换性与技术测量) 26
Listening and Speaking 30
Writing:Introduction of a Company(公司介绍) 32
UNIT 3 Engineering Materials(工程材料) 33
Reading and Translating 34
Section A Metals and Their Properties(金属及金属性能) 34
Section B Nonmetal Materials(非金属材料) 39
Listening and Speaking 45
Writing:Order for Products(订单回复) 47
UNIT 4 Machine Elements(机械零件) 49
Reading and Translating 50
Section A Transmissions(机械传动) 50
Section B Shafts and Accessories(轴与附件) 59
Listening and Speaking 67
Writing:Email for Request(电子询价) 69
UNIT 5 Hydraulic Drive(液压传动) 70
Reading and Translating 71
Section A Pumps and Actuators(泵与执行元件) 71
Section B Valves and Basic Hydraulic Circuits(阀与液压基本回路) 78
Listening and Speaking 85
Writing:Advertisement(广告) 87
UNIT 6 Machine Tools(机床) 88
Reading and Translating 89
Section A Machine Tools(机床) 89
Section B In Machine Shop(机械加工实践) 99
Listening and Speaking 104
Writing:Letters for Machinery Exportation(机械出口函) 106
UNIT 7 Forming(成形) 108
Reading and Translating 109
Section A Hot Working(热加工) 109
Section B Cold Working(冷加工) 114
Listening and Speaking 120
Writing:Complaint Letter(理赔函) 122
UNIT 8 Molding(铸造成形) 124
Reading and Translating 125
Section A Metal Casting(金属铸造) 125
Section B Plastic Molding(塑料制品的成形) 132
Listening and Speaking 139
Writing:Illustrating Sand Casting Process(砂模铸造工艺说明) 140
UNIT 9 NC and CNC(数控与计算机控制) 142
Reading and Translating 143
Section A Numeral Control(NC)(数字控制) 143
Section B Computerized Numeral Control(CNC/DNC)(计算机数控) 149
Listening and Speaking 157
Writing:Follow-up Letter(催购函) 159
UNIT 10 CAD and CAM(计算机辅助设计与制造) 160
Reading and Translating 161
Section A Computer-aided Design(CAD)(计算机辅助设计) 161
Section B Computer-aided Manufacturing(CAM)(计算机辅助制造) 168
Listening and Speaking 176
Writing:Dealing with Problems(故障处理函) 178
课文参考译文 179
Keys for Exercises 203
Bibliography 219