Saturday, May 18, 2002

memo (Seize the moment): Re: Helicopter.....


【 在 memo (Seize the moment) 的大作中提到: 】
: http://inventors.about.com/library/inventors/blhelicoptor.htm?terms=helicopter
: http://aviation.about.com/
: 覺得自己是架直昇機...喜歡飛來飛去的...
: about.com is good web site ....
: Large knowledge library...

http://www.helis.com/prin1.htm
--
It's fun,it's free,it's open






No comments: