描述
The ability to perform useful work, is what machines and mechanism are often all about, and while a device may have a specific use.
書籍詳情
格式
平裝書
頁數
271 頁
語言
英語
已出版
Apr 1, 1999
出版商
Natl Geographic Society
ISBN-10
0792271513
ISBN-13
9780792271512