The turboprop engine is very much like the turbojet.

涡轮螺桨发动机与涡轮喷气发动机十分相似。

The turbojet and the turboprop are much more satisfactory for airplanes.

涡轮喷气发动机和涡轮螺桨发动机更适用于飞机。

Our turboprop and piston aircraft lines are meeting or exceeding the company's internal financial and delivery targets.

我们的涡桨或活塞飞机生产线达到或超过了公司的内部财务和交付预期目标。

It features ultra-quiet turboprop engines, virtual reality windows and is designed to fly at Mach 0.55 for 800 nautical miles.

其设计特点主要包括超安静涡轮螺旋桨发动机，真实视觉窗户，动力为0.55马赫，最大航程为800海里。

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。