它由两个喷气涡轮引擎提供动力，以驱动五个叶片的主旋翼，以及通过齿轮箱和连轴驱动在两边短翼上的一对螺旋桨。
It is powered by two jet-turbine engines which operate both the five-bladed main rotor and, through a gearbox and shafts, a pair of propellers on two short wings.
我们最好先从一个极小极不起眼的地方说起，那就是组成吊在世界上最大飞机机翼下的引擎的涡轮机叶片。
The best place to start is the surprisingly small, almost underwhelming, turbine blades that make up the heart of the giant engines slung beneath the wings of the world's biggest planes.
航空及燃气轮机：喷气机引擎组件，涡轮叶片。
Aerospace and Gas Turbines: jet engine components, turbine blades.
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