Far less well known is McDonnell's long experience with helicopter programs. 远远低于众所周知的是麦道公司的长期经验与直升机项目。
He was working hard for me and arranged for me to tour the local McDonnell Douglas plant, which made component parts for airplanes. 他辛苦地为我奔忙，他还安排我到麦道公司在当地生产飞机零部件的工厂参观。
