起落架被完全收起。
出于同样的原因，飞机在飞行时收回起落架。
Airplanes retract their landing gear while in flight for the same reason.
驾驶员发现飞机的起落架不能缩回。
The pilot found that the undercarriage could not be retracted.
飞机的左起落架轧到了灌木丛，留下了痕迹。
它们可以给电力驱动的起落架轮子动力，让飞机不用主引擎就能在地面滑行。
They could power electrically driven wheels, letting an aircraft taxi without using its main engines.
伟大的思想需要起落架，也需要双翼。
如果液压系统或者电源出现故障，应急放出系统会靠重力机械地放出起落架。
An emergency extension system extends the gear mechanically if hydraulic or electrical power is lost.
右侧主起落架有漏油迹象。
请插上/取下起落架安全销。
轻型飞机飞行时起落架不一定缩回。
The undercarriage on light aircraft does not always retract in flight.
请检查中起落架减震支柱指示。
Check the indication of pressure gauge on central landing dear strut.
轻型飞机飞行时起落架不一定要收回。
The undercarriage on light aircraft does not always retract during flight.
机身起落架，装在机身构架上的起落架。
BODY gear, the landing gear attached to the fuselage structure.
问右起落架机轮有漏气迹象。
请求低空飞行通过跑道检查起落架。
擦掉发动机吊舱和起落架上多余的油。
Please wipe excess oil from engine nacelles and landing gears.
轻型飞机飞行时起落架不一定要收回。
The undercarriage on light aircraft does not always retract in flight.
操纵手柄向上起落架收上并锁住舱门关闭。
刚才你们听到的是飞机起落架放下的声音。
The undercarriage on light aircraft does not always retract in flight.
研究了舰载机前起落架的突伸运动。
The fast-extension motion of the nose gear of the carrier-based aircraft is studied.
飞机的起落架在升空时即可缩回。
The undercarriage on light aircraft do not always retract in flight.
轻型飞机飞行时起落架不一定缩回。
The undercarriage on light aircraft do not always retract in flight.
起落架已经安装，飞机内部电力供应已经可用。
Landing gear has been installed and electrical power in the aircraft has been turned on.
它没有起落架。
它没有起落架。
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