Why can airplanes fly?
题名:
Why can airplanes fly?
PERSONAL_AUTHOR_EPSB:
摘要:
Provides answers to such flight-related questions as "How do airplane wings work?" and "What is thrust?"
出版日期范围:
1999
1900-1999
SERIES_EPSB:
物理描述:
24 p.
程序信息:
Grade 6 science
ISBN:
9780823952748
出版信息:
New York : The Rosen Publishing Group, c 1999.