- petal-type airbrakes
- 瓣: petal clove; segment
- 状: form; shape
- 减速板: air brake; dive flap
- 平板状减速板: flat plate air brake
- 减速板: brake; speed; deceleration flap; dive drag brake; dive flap; drag flap; flight brake; rigid air brake; speed boards; speed brake; speedbrake
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