[航] 变后掠翼飞机 variable geometry aircraft: 可变形飞行器variable sweep aircraft: 变后掠翼飞机; 可变翼飞机variable-control aircraft: 变操纵性能飞机variable-incidence aircraft: 机翼安装角可变的飞机variable-mass aircraft: 变质量航空器下载手机词典可随时随地查词查翻译