- variable landing gear
- 变: become different; change
- 高度: altitude; height; elevation
- 起落架: alighting carriage; landing ...
- 起落架高度调节系统: positioning system for the landing gear
- 起落架: [航空] alighting carriage; landing gear; alighting gear; undercarriage 起落架放下 gear down; landing gear lowering; 起落架收起 wheels-up; 起落架收上 gear up; landing gear raising
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