图书介绍
英语PDF|Epub|txt|kindle电子书版本网盘下载
- 北京农业机械化学院主编 著
- 出版社: 北京:农业出版社
- ISBN:9144·12
- 出版时间:1979
- 标注页数:194页
- 文件大小:6MB
- 文件页数:203页
- 主题词:
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图书目录
CONTENTS1
Lesson 1 Text:Power1
Supplementary Reading:8
Ⅰ.Power and Horsepower8
Ⅱ.Force and Work9
Lesson 2 Text:Pulleys and Belts11
Supplementary Reading:19
Ⅰ.Belts and Pulleys19
Ⅱ.The Lever21
Lesson 3 Text:Mechanized Farm Work22
Supplementary Reading:29
Ⅰ.Preface to"Farm Machinery and Equipment"(Extracted)29
Ⅱ.Crops vs Farm Machinery30
Lesson 4 Text:Gears32
Supplementary Reading:40
Ⅰ.Gear Types40
Ⅱ.Driving Shaft41
Lesson 5 Text:Lubrication43
Supplementary Reading:52
Ⅰ.Friction and Lubrication52
Ⅱ.Bearings53
Lesson 6 Text:Pioneer Farm Machines55
Supplementary Reading:64
Ⅰ.Field Power64
Ⅱ.From Hand Farming to Power Farming65
Lesson 7 Text:Internal-combustion Engine67
Supplementary Reading:74
Ⅰ. Gasoline and Diesel Engines74
Ⅱ.Wankel Engine75
Lesson 8 Text:Changing Concepts77
Supplementary Reading:86
Ⅰ.Basic Functions of Tractors86
Ⅱ.Tractor Types87
Lesson 9 Text:Any Progress on Farm Vehicle Automation?89
Supplementary Reading:96
Ⅰ.Safety Requirements for Automatic Vehicle Control96
Ⅱ.Tomorrow's Combine97
Lesson 10 Text:Electric Motors for the Farm99
Supplementary Reading:106
Ⅰ.Induction Motors106
Ⅱ.Electric Power on Farms107
Lesson 11 Text:Hydraulic Pumps110
Supplementary Reading:120
Ⅰ.Hydraulics120
Ⅱ.Hydraulic Press or Jack121
Lesson 12 Text:The Art of the Crawler Driver124
Supplementary Reading:133
Ⅰ.Tracklaying Tractors133
Ⅱ.How to Avoid Danger on the Slopes134
附录136
Ⅰ.英译汉中的几个问题136
Ⅱ.总词汇表158