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n2n3

The Beginner's Guide to Aeronautics

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  •   n2n3 · Nov 13, 2011 · 6109 views
    This topic created in 5417 days ago, the information mentioned may be changed or developed.
    http://www.grc.nasa.gov/WWW/K-12/airplane/index.html
  • guide
  • Beginner
  • Aeronautics
    1 replies  •  1970-01-01 08:00:00 +08:00
    glume
        1
    glume  
       Nov 14, 2011
    NASA这个网站的确牛啊，我们可以山寨facebook山寨digg山寨twitter，怎么没山寨这个的？
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