A very severe explosion can damage the crankcase door and cause fire in the engine room.

非常剧烈的爆炸会损坏曲轴箱防爆门，引起机仓着火。

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An explosion destroyed the engine.

一场爆炸把发动机毁坏了。

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The internal combustion engine burns fuel within the cylinders and converts the expanding force of the combustion or "explosion" into rotary force used to propel the vehicle.

内燃发动机在气缸里燃烧燃料，并将燃烧所产生的膨胀力转变成旋转力，用以推动车辆前进。

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Engineers discovered the problem during fueling, and worried that any excess hydrogen on the launch pad could cause an explosion during engine ignition.

VOA: standard.2009.03.15

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