If an engine ingests a bird, it must be able to shut down safely without bursting into flames or exploding.

如果发动机吸入一只鸟，它必须能够安全关闭，不发生突然起火或爆炸。

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The more powerful front engine already had been shut down earlier to save fuel.

功率更强大的前引擎已经在早先被关闭，以节省燃料。

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An emergency shut-down system enables the engine to be stopped in an emergency.

应急停车系统能使机器在紧急情况下迅速停止工作。

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Aviation analysts say the sharp volcanic particles can damage a jet engine or cause it to shut down in mid air.

VOA: standard.2010.04.15

The rocket was intended to lift the satellite into an orbit 35, 696 kilometers above the earth, but during its final burn, the upper stage engine shut down four minutes early, and the satellite was released into too low of an orbit.

FORBES: Another Russian Rocket Misses The Target

The engine was shut down immediately, and the course of the rocket given a readjustment to compensate for the lost engine.

FORBES: SpaceX Rocket Loses An Engine; Mission Still Looking Good

In serious cases, he said, it can cause the engine to shut down.

CNN: Plane in Hudson River had engine type that drew FAA scrutiny