There were at least two cases of soldiers being taken aloft hanging on to the undercarriage or tail wheel in desperation.
至少有两机仓士兵被带上了天空，他们有的拼命抓住飞机的起落架，有的抱住尾轮。
2
The status of an undercarriage at the touchdown instant is studied by analyzing the undercarriage parameters which change with the wheel rotational speed in the drop test.