The reliability of the whole engine motor depends on the reliability of the crankshaft. So it is very critical to design the crankshaft and check the fatigue of it.

整台发动机的可靠性，在很大程度上取决于曲轴的可靠性，因此曲轴的设计和疲劳强度校核是十分必要的。

youdao

In 2006 he converted a powered hang-glider, removing its small combustion engine and replacing it with a battery and an electric motor.

2006年，他转向了动力滑翔机，同时把小型内燃机拆了下来，用电池和电动机来替代。

youdao

Normally you have an engine or motor going through a differential.

通常你有一个引擎或者电机来带动差速器。

youdao

I mean, you know the wings go, and the air runs, and then the motor on the engine and it's a miracle how it gets up there and that is the way I used to explain the Greeks, because I had no better idea.

我的意思是,你知道机翼的作用,空气的流动,还有引擎上的发动机,飞机能飞起来,是个奇迹,我就是用这种方式来解释希腊历史的,因为我也没有更好的方法了

耶鲁公开课 - 古希腊历史简介课程节选

In addition to the petrol engine and electric motor, the LF-CC hybrid drive system further comprises a generator, a high-performance battery, a power split device which, via planetary reduction gears, combines and re-allocates power from the engine, electric motor and generator according to operational requirements, and a compact power control unit to govern the high speed interaction of the system components.

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Given a free hand in the design, his team developed a continuously variable transmission system that allows the petrol engine and electric motor to work separately or in tandem.

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It combines a petrol engine with an electric motor which charges its batteries.

BBC: NEWS | Programmes | Breakfast | Low carbon family: "Green" cars