自转飞行 meaning in English
autorotative flight
Examples
- In fact , during certification , a region of low altitude and low velocity ( the h - v restriction zone ) is established where it is considered impossible to make a safe descent
然而由于缺乏充分的训练，自转飞行过程具有一定的危险性。实际上，在高度和速度的一定范围内，直升机无法实现安全的自转着陆。