实验版十万个为什么. 交通篇. 降落伞顶部为何有个小洞?

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Bibliographic Details
Main Authors: 于秉正 (主编)
Published: 北京出版社
Publisher Address: 北京
Publication Dates: 2009
Literature type: Book
Language: Chinese
Subjects:
Carrier Form: 79页: 彩图 ; 24cm
ISBN: 978-7-200-07670-7
Index Number: N49
CLC: N49
U-49
Call Number: N49/1421-8