Unit 1 Basic Mechanical Technology 1 Part Ⅰ Technical and Practical Reading 1 Passage A Lathe Accessories （I） 1 Notes 4 New Words 5 Phrases and Expressions 7 Passage B Lathe Accessories （II） 8 New Words 11 Phrases and Expressions 12 Part Ⅱ Glance at Conventional Machine Tool Structures 13 Part Ⅲ Simulated Writing 15 Section A Match Your Skill 15 Section B Have a Try 16 Part Ⅳ Broaden Your Horizon-Practical Activity 17 Unit 2 Metal Materials and Metal Forming 19 Part Ⅰ Technical and Practical Reading 19 Passage A Metal Materials 19 Notes 23 New Words 23 Phrases and Expressions 25 Passage B Sheet Metal Forming 26 New Words 30 Phrases and Expressions 31 Part Ⅱ Glance at Conventional Machine Tool Structures 32 Part Ⅲ Simulated Writing 34 Section A Match Your Skill 34 Section B Have a Try 35 Part Ⅳ Broaden Your Horizon-Practical Activity 36 Unit 3 Machining Operations and Turning Machines 39 Part Ⅰ Technical and Practical Reading 39 Passage A Machining Operations 39 Notes 42 New Words 42 Phrases and Expressions 43 Passage B Turning Machines 44 New Words 47 Phrases and Expressions 47 Part Ⅱ Glance at Conventional Machine Tool Structures 49 Part Ⅲ Simulated Writing 50 Section A Match Your Skill 50 Section B Have a Try 52 Part Ⅳ Broaden Your Horizon-Practical Activity 53 Unit 4 Hydraulic Machinery and Forging Equipment 57 Part Ⅰ Technical and Practical Reading 57 Passage A Hydraulic Machinery 57 Notes 60 New Words 61 Phrases and Expressions 62 Passage B Forging Equipment 63 New Words 66 Phrases and Expressions 67 Part Ⅱ Glance at Conventional Machine Tool Structures 69 Part Ⅲ Simulated Writing 71 Section A Match Your Skill 71 Section B Have a Try 72 Part Ⅳ Broaden Your Horizon-Practical Activity 73 Unit 5 Introduction to CNC Machine and CAM Design 75 Part Ⅰ Technical and Practical Reading 75 Passage A Basics of Computer Numerical Control 75 Notes 78 New Words 78 Phrases and Expressions 79 Passage B Designing Parts with CAM Alibre 80 New Words 84 Phrases and Expressions 85 Part Ⅱ Glance at Conventional Machine Tool Structures 86 Part Ⅲ Simulated Writing 88 Section A Match Your Skill 88 Section B Have a Try 89 Part Ⅳ Broaden Your Horizon-Practical Activity 90 Unit 6 Engineering Drawings 94 Part Ⅰ Technical and Practical Reading 94 Passage A Technical Drawing （I） 94 Notes 97 New Words 97 Phrases and Expressions 98 Passage B Technical Drawing （II） 99 New Words 101 Phrases and Expressions 102 Part Ⅱ Glance at Technical Drawing Instruments 104 Part Ⅲ Simulated Writing 105 Section A Match Your Skill 105 Section B Have a Try 106 Part Ⅳ Broaden Your Horizon-Practical Activity 107 Unit 7 Electronic Components and Circuit 109 Part Ⅰ Technical and Practical Reading 109 Passage A Electronic Components and Symbols 109 Notes 111 New Words 111 Phrases and Expressions 113 Passage B Basic Circuit Concepts 114 New Words 115 Phrases and Expressions 116 Part Ⅱ Glance at Electronic Component Structures 117 Part Ⅲ Simulated Writing 119 Section A Match Your Skill 119 Section B Have a Try 121 Part Ⅳ Broaden Your Horizon-Practical Activity 122 Unit 8 Single Chip Microprocessor 124 Part Ⅰ Technical and Practical Reading 124 Passage A Introduction to Single Chip Microprocessor and Its Circuit 124 Notes 126 New Words 126 Phrases and Expressions 127 Passage B A Simple Introduction to Transistors and PWM 128 New Words 130 Phrases and Expressions 131 Part Ⅱ Glance at Single Chip Microprocessor Structures 132 Part Ⅲ Simulated Writing 134 Section A Match Your Skill 134 Section B Have a Try 136 Part Ⅳ Broaden Your Horizon-Practical Activity 137 Unit 9 Introduction to Motors 140 Part Ⅰ Technical and Practical Reading 140 Passage A The Motor Basics （I） 140 Notes 143 New Words 143 Phrases and Expressions 144 Passage B The Motor Basics （II） 145 New Words 148 Phrases and Expressions 149 Part Ⅱ Glance at Automatic Control Structures 150 Part Ⅲ Simulated Writing 151 Section A Match Your Skill 151 Section B Have a Try 153 Part Ⅳ Broaden Your Horizon-Practical Activity 154 Unit 10 Introduction to Programmable Logic Controller 158 Part Ⅰ Technical and Practical Reading 158 Passage A Programmable Logic Controller （PLC） 158 Notes 160 New Words 161 Phrases and Expressions 161 Passage B Connection of Programmable Logic Controllers 163 New Words 167 Phrases and Expressions 168 Part Ⅱ Glance at Programmable Logic Control 169 Part Ⅲ Simulated Writing 170 Section A Match Your Skill 170 Section B Have a Try 172 Part Ⅳ Broaden Your Horizon-Practical Activity 173 Glossary 175 Phrases 194 參考譯文 203 第1單元 機(jī)械技術(shù)基礎(chǔ) 203 課文A 車(chē)床附件（I） 203 課文B 車(chē)床附件（II） 206 第2單元 金屬材料和金屬成形 209 課文A 金屬材料 209 課文B 金屬板成形 212 第3單元 加工操作與車(chē)削機(jī)床 215 課文A 加工操作 215 課文B 車(chē)削機(jī)床 217 第4單元 液壓機(jī)械和鍛壓設(shè)備 220 課文A 液壓機(jī)械 220 課文B 鍛壓設(shè)備 222 第5單元 計(jì)算機(jī)數(shù)控機(jī)床和計(jì)算機(jī)輔助制造設(shè)計(jì)簡(jiǎn)介 225 課文A 計(jì)算機(jī)數(shù)控的基礎(chǔ) 225 課文B 用Alibre計(jì)算機(jī)輔助制造軟件設(shè)計(jì)零件 227 第6單元 機(jī)械制圖 231 課文A 工程圖（I） 231 課文B 工程圖（II） 233 第7單元 電器元件與電路 235 課文A 電器元件及標(biāo)記 235 課文B 電路的基本概念 237 第8單元 單片機(jī) 239 課文A 單片機(jī)及其電路簡(jiǎn)介 239 課文B 晶體管和PWM（脈沖寬度調(diào)制）簡(jiǎn)介 241 第9單元 電機(jī)介紹 243 課文A 電機(jī)基礎(chǔ)（I） 243 課文B 電機(jī)基礎(chǔ)（II） 246 第10單元 可編程邏輯控制器簡(jiǎn)介 249 課文A 可編程邏輯控制器 249 課文B 可編程邏輯控制器的連接 251 參考文獻(xiàn) 257
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