论文部分内容阅读
美国道格拉斯飞机公司制造的DC-3型客机自1935年12月处女飞行以来,在天空翱翔40余年,至今仍然在飞行,它是世界上飞行时间最长的飞机,足迹遍及全球,经历惊险而神奇。
The DC-3 airliner manufactured by the U.S. Douglas Aircraft Company has flown in the sky for more than 40 years since its virgin flight in December 1935 and is still flying. It is the longest flying aircraft in the world with astonishing and magical footprint throughout the world .