《科普英语注释读物 农机是怎样工作的》PDF下载

  • 购买积分:7 如何计算积分?
  • 作  者:上海师大外语系资料室注释
  • 出 版 社:上海:上海译文出版社
  • 出版年份:1978
  • ISBN:9188·4
  • 页数:55 页
图书介绍:

Introduction 1

The Tractor 3

Engine Governors 4

Transmission,Wheels and Tracks 7

Wheel Grip 8

Power Take-off 11

Three-point Hydraulic Lift 12

Manure and Fertilizer Spreading 14

The Plough 17

Cultivating the Land 19

Sowing the Seed 20

The Combine Harvester 22

How the Combine Harvester Works 23

Drying the Grain 26

Haymaking 28

Balers 30

Forage Harvesting 31

Crop Spraying 32

The Tractor Tool Bar 34

Planting Potatoes 36

Digging up Potatoes 38

Milking Machines 39

How the Milking Machine Works 41

Other Machinery 42

Vocabulary 45