It is a good practice to check the bolts and nuts on the main rotor head and tail rotor after every flight.

每次飞完检查主旋翼头和尾旋翼头的螺丝螺母是一个很好的习惯。

youdao

It is a good practice to check the bolts and nuts on the main rotor head and tail rotor after every flight.

每次飞完检查主旋翼头和尾旋翼头的螺丝螺母是一个很好的习惯。

youdao