airbrake switchspeed brake switch减速板: air brake; dive flap电门: switch way; method; access减速板: brake; speed; deceleration flap; dive drag brake; dive flap; drag flap; flight brake; rigid air brake; speed boards; speed brake; speedbrake瓣状减速板: petal-type airbrakes低速减速板: lower-speed brakes下载手机词典可随时随地查词查翻译