一个电动发动机推动这辆公交车，但其再生制动系统也对液压流体加压。
An electric motor propels the bus, but its regenerative braking system also pressurizes hydraulic fluid.
由电动离子发动机推动的“深空1号”已经到达距离地球一亿英里的地方。
Pushed only by an electronically driven "ion engine", Deep Space One is already over 100 million miles from Earth.
最近的高涵道比涡轮风扇例如罗尔斯·罗伊斯简称罗罗在汽车业称为劳斯莱斯的遄达发动机推动空气通过发动机核心周围的空气相较于通过核心气量9倍。
The latest “high bypass” turbofans, such as the Rolls-Royce Trent, push around nine times more air around the core of the engine than through it.
应用推荐