During the flight, HB-SIA lifted off at just under 30 mph and a relatively short takeoff run.

这次试飞，HB-SIA的升空速度低于30英里每小时（约48公里每小时），起飞的助跑距离也相对短一些。

youdao

During the flight, HB-SIA lifted off at just under 30 mph and a relatively short takeoff run.

这次试飞，HB-SIA的升空速度低于30英里每小时（约48公里每小时），起飞的助跑距离也相对短一些。

youdao