在美国,有两个开自行车修理店的大男孩,最初无论如何也想不到,自己日后竟会成为改写世界文明史的伟人。1901年,居住在代顿的德裔美国人、年轻的自行车修理匠威尔伯莱特和奥维尔莱特兄弟制成一座风洞,利用双缸煤气机抽风,进行了最原始的吹风实验。这个十分简陋的设备为莱特兄弟研制飞机提供了有效的空气动力实验手段。从 In the United States, there are two big boy who opened a bicycle repair shop and could not think of anything at all initially, and will become a great man in rewriting the history of world civilization in the future. In 1901, German Americans living in Dayton, the young bicycle mechanic Wilbur Wright and the Orville Wright brothers made a wind tunnel, the use of twin cylinder gas exhaust, conducted the most primitive hair experiments. This very rudimentary device provides an effective aerodynamic experiment for Wright brothers to develop their aircraft. From