Described are advantages of motor-driven pipeline booster compressor over gas turbine-driven pipeline booster compressor in environmental protection and economy.

论述电动机驱动管道增压压缩机比燃气轮机驱动具有环保和经济两方面优势，是一种发展趋势；

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Working theories and technique features of a new air compressor-turbine module driven by high-speed electric motor were introduced.

介绍了一种高速电机驱动的新型涡轮-压气机组件的工作原理和设计方法，并对组件进行了性能试验。

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There's no reason why the compressor and turbine blades in a jet engine can't be driven by an electric motor to generate thrust under water, he says.

在为引擎装备了转子叶片和调速齿轮后，涡轮轴发动机单元可以在空中和水下为飞行器提供“可接受的工作效率”，他们称。

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