| 释义 |
hovering ceiling
hovering ceilingThe highest altitude at which the helicopter is capable of hovering in standard atmosphere. It is usually stated in two figures: hovering in ground effect and hovering out of ground effect.hovering ceiling
hovering ceilingThe highest altitude at which the helicopter is capable of hovering in the standard atmosphere. It usually is stated in two figures: hovering in ground effect and hovering out of ground effect. See helicopter performance. |