turboprop helicopter的意思|示意

It is the first mass production helicopter in the world that was equipped with two turboprop engines with the free power turbine.

它是世界上第一种大量生产的装备有双涡轮螺旋桨引擎的直升机。

It is designed to perform conventional helicopter missions but with the long-range, high-speed cruise performance of a turboprop aircraft.

除了扮演传统直升机角色外，还具有涡轮螺旋桨飞机的长距离、高速巡航性能。