A gas turbine powered 'prop is not a jet but USES gas turbine calculations.

燃气轮机动力'道具不是飞机，但使用燃气涡轮计算。

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Aerospace and Gas Turbines: jet engine components, turbine blades.

航空及燃气轮机：喷气机引擎组件，涡轮叶片。

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The main shaft between the air compressor and the gas turbine in a jet aircraft engine is hollow to permit an internal speed reduction shaft with the minimum requirement of space and weight.

在喷气式飞机发动机内位于空气压缩和燃气涡轮之间的主轴是空心的，允许有一个需要最小空间和重量的内部减速轴。

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Meanwhile Rolls-Royce has sought to insulate itself from the quirks of procurement by applying its design to other industries: 80% of the gas-turbine technology used in its best-selling jet engines is the same for the energy and marine sectors.

ECONOMIST: Manufacturing: A tale of two industries | The