《科普英语注释读物 农机是怎样工作的》求取 ⇩

Introduction1

The Tractor3

Engine Governors4

Transmission,Wheels and Tracks7

Wheel Grip8

Power Take-off11

Three-point Hydraulic Lift12

Manure and Fertilizer Spreading14

The Plough17

Cultivating the Land19

Sowing the Seed20

The Combine Harvester22

How the Combine Harvester Works23

Drying the Grain26

Haymaking28

Balers30

Forage Harvesting31

Crop Spraying32

The Tractor Tool Bar34

Planting Potatoes36

Digging up Potatoes38

Milking Machines39

How the Milking Machine Works41

Other Machinery42

Vocabulary45

1978《科普英语注释读物 农机是怎样工作的》由于是年代较久的资料都绝版了,几乎不可能购买到实物。如果大家为了学习确实需要,可向博主求助其电子版PDF文件(由上海师大外语系资料室注释 1978 上海:上海译文出版社 出版的版本) 。对合法合规的求助,我会当即受理并将下载地址发送给你。