他说，飞机后轮先着陆，但当前轮着陆以后，飞机就开始不平稳了。
The back wheels of the plane touched the runway, but it became unstable when the front wheel touched down, he said.
这架飞机曾与一个可操纵的前轮和盘式制动器非伸缩三轮车起落架。
The plane had a non-retractable tricycle landing gear with a steerable nose wheel and disc brakes.
分析了单发失效及不同抬前轮时间对飞机起飞性能的影响。
In addition, the effects of rotation speed and one engine failure on the take-off performances are also analyzed.
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