When you design it, think how you would feel if you had to fly it! Safety first!
当你设计它的时候，想想如果你不得不飞它，你会有什么感觉!安全第一!
-- Donald Wills Douglas Sr. 老唐纳德·威尔斯·道格拉斯
When you design it, think how you would feel if you had to fly it! Safety first!
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When you design it, think how you would feel if you had to fly it! Safety first!
当你设计它的时候，想想如果你不得不飞它，你会有什么感觉!安全第一!
-- Donald Wills Douglas Sr. 老唐纳德·威尔斯·道格拉斯
