关于nonrigid的百科

• nonrigid airship造句怎么写

• asmallnonrigidairshipusedforobservationorasabarrageballoon.Oneofseveralsmall,auxiliarygasbagsplacedinsideaballoonoranonrigidairshipthatcanbeinflatedordeflatedduringflighttocontrolandmaintainshapeandbuoyancy....
• 2020-10-1627015