SECTION 1 Mechanical Engineering1 UNIT 11 Text Heat Treatment of Steels1 Reading Material Iron and Steel4 Exercises4 UNIT 26 Text Forming and Machining6 Reading Material Five Basic Machining Techniques9 Exercises10 UNIT 312 Text Machine Elements12 Reading Material Gears14 Exercises17 UNIT 418 Text CAD and Applications18 Reading Material Two-Dimensional Drawings20 Exercises21 UNIT 522 Text CAM and Applications22 Reading Material NC Machines24 Exercises26 SECTION 2 Electric Circuits and Electronic Technology28 UNIT 628 Text Basic Electricity and Magnetism28 Reading Material Electricity Produced from Magnetism31 Exercises32 UNIT 734 Text Direct-Current Circuits34 Reading Material Parallel Circuits:Voltage Relations37 Exercises39 UNIT 841 Text Transformers41 Reading Material Operation Under Load44 Exercises45 UNIT 947 Text Electric Power47 Reading Material Measurement of Electric Power and Energy51 Exercises52 UNIT 1053 Text Electrical Instruments and Electrical Measurements53 Reading Material Measurement of Resistance55 Exercises56 SECTION 3 Computer Applications58 UNIT 1158 Text Why Learn About Computers?58 Reading Material Computers in the Home and Workplace60 Exercises61 UNIT 1262 Text Memory62 Reading Material Data and Programs64 Information64 Exercises65 UNIT 1367 Text Starting Your Computer67 Reading Material Using the Windows Operating System69 Using the Internet and World Wide Web69 Exercises70 UNIT 1471 Text Software71 Reading Material Systems Software73 Application Software74 Exercises74 UNIT 1576 Text What is a Network?76 Reading Material Communications and Networks78 Communications Protocols79 Exercises79 SECTION 4 Meters and Machine Control81 UNIT 1681 Text Four Important Controlled Variables81 Reading Material Differential Pressure Flow Meters82 Exercise83 UNIT 1784 Text Thermometer84 Reading Material Resistance Thermometer85 Exercises86 UNIT 1887 Text Automatic Control Systems87 Reading Material Manual and Automatic Control Systems88 The components of Automatic Control Systems89 Exercises89 UNIT 1990 Text Two-position Control90 Reading Material The Temperature Control of Steam-Jacketed Kettle91 Exercises92 UNIT 2094 Text Proportional Control94 Reading Material Rate Mode of Control96 Exercises96 SECTION 5 Chemical Mechanical Engineering97 UNIT 2197 Text Liquid Pumps97 Reading Material The Centrifugal Pump99 Exercises100 UNIT 22102 Text The Reciprocating Compressor102 Reading Material Multistage Centrifugal Compressors105 Exercises106 UNIT 23107 Text Continuously Fed Centrifuges107 Reading Material Batch Centrifugals110 Exercises112 UNIT 24113 Text Stresses in Pressure Vessels113 Reading Material Heat Exchangers116 Exercises118 UNIT 25120 Text Design of Packed Towers120 Reading Material Agitation Equipment122 Exercises124 SECTION 6 Refrigeration and Air Conditioning Technology125 UNIT 26125 Text Air125 Reading Material The Need of Air Conditioning128 Exercises129 UNIT 27130 Text The Nature of Thermodynamics130 Reading Material The Laws of Thermodynamics132 Exercises133 UNIT 28135 Text Heat Transfer135 Reading Material Three Fundamental Types of Heat Transfer137 Exercises138 UNIT 29139 Text Mechanical Vapor Compression Refrigeration139 Reading Material The Multipressure System141 Exercises142 UNIT 30143 Text Evaporative Air Cooling143 Reading Material Room Air Conditioners145 Exercises147 APPENDIX（附錄一）148 課文及閱讀材料譯文148 附錄二 練習(xí)答案190 圖題譯文203 參考文獻205
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