Swartzlander says：“大多数空气动力装置起飞的角度很平缓；而这样的装置起飞时角度变化非常剧烈，非常惊人。”
“Most aerodynamic things take off at very gradual angles, but this has a very striking, very powerful lift angle, ” Swartzlander says.
引气活门，气源系统内，使来自发动机或辅助动力装置的空气进人气源支管的活门。
BLEED valve, a valve in the pneumatic system for air supply from the engine or auxiliary power unit to the pneumatic manifold.
空气螺杆钻具是专为空气钻井而设计的动力装置。
The air screw drill tool was power equipment which was designed for air drilling.
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