目　錄 Unit 1　Basic Mechanical Technology　1 Part Ⅰ　Technical and Practical Reading　1 Passage A　Lathe Accessories (Ⅰ)　1 Passage B　Lathe Accessories (Ⅱ)　7 Part Ⅱ　Glance at Conventional Machine Tool Structures　12 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　20 Part Ⅰ　Technical and Practical Reading　20 Passage A　Metal Materials　20 Passage B　Sheet Metal Forming　27 Part Ⅱ　Glance at Conventional Machine Tool Structures　33 Part Ⅲ　Simulated Writing　35 Section A　Match Your Skill　35 Section B　Have a Try　37 Part Ⅳ　Broaden Your Horizon—Practical Activity　38 Unit 3　Machining Operations and Turning Machines　41 PartⅠ　Technical and Practical Reading　41 Passage A　Machining Operations　41 Passage B　Turning Machines　46 Part Ⅱ　Glance at Conventional Machine Tool Structures　50 Part Ⅲ　Simulated Writing　52 Section A　Match Your Skill　52 Section B　Have a Try　54 Part Ⅳ　Broaden Your Horizon—Practical Activity　55 Unit 4　Hydraulic Machinery and Forging Equipment　59 PartⅠ　Technical and Practical Reading　59 Passage A　Hydraulic Machinery　59 Passage B　Borging Equipment　65 Part Ⅱ　Glance at Conventional Machine Tool Structures　70 Part Ⅲ　Simulated Writing　72 Section A　Match Your Skill　72 Section B　Have a Try　74 Part Ⅳ　Broaden Your Horizon—Practical Activity　75 Unit 5　Introduction to CNC Machine and CAM Design　77 PartⅠ　Technical and Practical Reading　77 Passage A　Basics of Computer Numerical Control　77 Passage B　Designing Parts with CAM Alibre　82 Part Ⅱ　Glance at Conventional Machine Tool Structures　87 Part Ⅲ　Simulated Writing　89 Section A　Match Your Skill　89 Section B　Have a Try　90 Part Ⅳ　Broaden Your Horizon—Practical Activity　92 Unit 6　Engineering Drawings　95 PartⅠ　Technical and Practical Reading　95 Passage A　Technical Drawing (Ⅰ)　95 Passage B　Technical Drawing (Ⅱ)　100 Part Ⅱ　Glance at Conventional Machine Tool Structures　104 Part Ⅲ　Simulated Writing　106 Section A　Match Your Skill　106 Section B　Have a Try　107 Part Ⅳ　Broaden Your Horizon—Practical Activity　108 Unit 7　Electronic Components and Circuit　111 PartⅠ　Technical and Practical Reading　111 Passage A　Electronic Components and Symbols　111 Passage B　Basic Circuit Concepts　115 Part Ⅱ　Glance at Conventional Machine Tool Structures　119 Part Ⅲ　Simulated Writing　122 Section A　Match Your Skill　122 Section B　Have a Try　123 Part Ⅳ　Broaden Your Horizon—Practical Activity　124 Unit 8　Single Chip Microprocessor　126 PartⅠ　Technical and Practical Reading　126 Passage A　Introduction to Single Chip Microprocessor and Its Circuit　126 Passage B　Introduction to MCS51 Series Single Chip Microprocessor 130 Part Ⅱ　Glance at Conventional Machine Tool Structures　135 Part Ⅲ　Simulated Writing　137 Section A　Match Your Skill　137 Section B　Have a Try　139 Part Ⅳ　Broaden Your Horizon　—Practical Activity　140 Unit 9　Introduction to Motors　143 PartⅠ　Technical and Practical Reading　143 Passage A　The Motor Basics (Ⅰ)　143 Passage B　The Motor Basics (Ⅱ)　148 Part Ⅱ　Glance at Conventional Machine Tool Structures　153 Part Ⅲ　Simulated Writing　155 Section A　Match Your Skill　155 Section B　Have a Try　157 Part Ⅳ　Broaden Your Horizon—Practical Activity　158 Unit 10　Programmable Logic Controller　161 PartⅠ　Technical and Practical Reading　161 Passage A　Introduction to Programmable Logic Controller (PLC)　161 Passage B　Connection of Programmable Logic Controllers　166 Part Ⅱ　Glance at Conventional Machine Tool Structures　172 Part Ⅲ　Simulated Writing　175 Secion A　Match Your Skill　175 Section B　Have a Try　176 Part Ⅳ　Broaden Your Horizon—Practical Activity　177 附錄A　Glossary　179 附錄B　Phrases　198 附錄C　參考譯文　207 第 1單元　機械技術(shù)基礎(chǔ)　207 課文A　車床附件（Ⅰ）　207 課文B　車床附件（Ⅱ）　210 第 2單元　金屬材料和金屬成形　212 課文A　金屬材料　212 課文B　金屬板成形　215 第3單元　機械加工操作與車削機床　218 課文A　機械加工操作　218 課文B　車削機床　220 第4單元　液壓機械和鍛壓設(shè)備　222 課文A　液壓機械　222 課文B　鍛壓設(shè)備　224 第5單元　計算機數(shù)控機床和計算機輔助制造設(shè)計簡介　227 課文A　計算機數(shù)控基礎(chǔ)　227 課文B　用Alibre計算機輔助制造軟件設(shè)計零件　229 第6單元　工程制圖　232 課文A　技術(shù)制圖（Ⅰ）　232 課文B　技術(shù)制圖（Ⅱ）　235 第7單元　電氣元件與電路　237 課文A　電氣元件及符號　237 課文B　電路的基本概念　239 第8單元　單片機　241 課文A　單片機及其電路簡介　241 課文B　MCS51系列單片機簡介　242 第9單元　電動機介紹　244 課文A　電動機基礎(chǔ)（Ⅰ）　244 課文B　電動機基礎(chǔ)（Ⅱ）　247 第 10單元　可編程邏輯控制器　250 課文A　可編程邏輯控制器簡介　250 課文B　可編程邏輯控制器的連接　251 參考文獻(xiàn)　256