primary flight controls

飞机常用单词英汉对照 - 豆丁网 ... confusion 混淆，干扰，混乱 primary flight controls 飞行主操纵系统 yaw v. 偏航运动，偏航 ...

... primary distributor network 主要干路网 primary flight controls 主飞行操纵系统 primary heat exchanger 主换热器 ...