登入選單
返回Google圖書搜尋
其他書名
Machines
出版Two-Can Publishing Limited, 1997
ISBN18543443239781854344328
URLhttp://books.google.com.hk/books?id=g6UyswEACAAJ&hl=&source=gbs_api
註釋Uses a question and answer format to discuss why machines are made, who invented machines and the great variety of uses machines have. Suggested level: primary, intermediate.