释义 |
down lock
down lockA device for locking retractable landing gear in the down or extended position.down lock
down lock[′dau̇n ‚läk] (aerospace engineering) An airplane mechanism that locks the landing gear in a down position after the gear is lowered. down lockA device for locking retractable landing gear in the extended or down position. These locks may be mechanical, hydraulic, electrical, or a combination of two or more types. |