In a few minutes Doug and I heard the unmistakable sound of an engine starting up.

几分钟之后，道格和我都听到一种绝对错不了的引擎发动的声音。

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This choke valve, during cold engine starting, starts fuel to flow through the main system prematurely.

在冷启动时，阻风门使燃油提早进入主供油装置。

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Then, the model was used to analyze component material warm-up effect on the turboshaft engine starting characteristics.

然后，利用建立的数学模型分析部件材料温升对燃气涡轮轴发动机起动性能的影响。

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Engine run is starting up the engines for a short time in order to complete tests and take readings.

CNN: Behind the scenes: Boeing's Dreamliner battery fix

The hearing also heard that the vehicle was in a poor condition and there were problems starting the engine.

BBC: Thomas Phizacklea

Five minutes later, the driver of the first train finally succeeded in re-starting his engine and began to inch forward.

NEWYORKER: Boss Rail