This landing was less dire: the nose wheel gear collapsed after the first glide flight for the X-2 in 1952.

这是不可怕的登陆：鼻子齿轮后，1952年第一次滑行中的X - 2飞行倒塌。

youdao

The plane had a non-retractable tricycle landing gear with a steerable nose wheel and disc brakes.

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。

youdao

Some passengers saw the wheel fall as the plane's landing gear retracted just after take off, but "they did not inform the cabin crew at this point", the report said.

BBC: Flybe plane passengers 'saw wheel fall off'

The pilots then use their usual controls to steer with the nose wheel (which in turn steers the TaxiBot) and to brake with the main landing gear.

ECONOMIST: A cheaper, cleaner way for the long taxi to the runway