特殊用法antispin parachute1.反螺旋伞automatic parachute1.自开降落伞cross parachute1.十字形伞deceleration parachute1.减速伞drogue parachute1.漏斗形减速伞extraction parachute1.牵引伞glidesail parachute1.滑翔帆伞landing parachute1.着陆伞ribbon parachute1.带式快速降落伞ring slot parachute1.环缝降落伞