机场处理军用和商用航空器。

The airport handles both military and commercial ___aircraft.

他们拥有所有曾经建造过的瑞典航空器。

They have all the Swedish ___aircraft that have ever been built.

直升机是一种用于救援行动的多功能航空器。

A helicopter is a versatile ___aircraft used in rescue operations.