The simulator is a mock-up of a shuttle cockpit, balanced on a hydraulic platform that is loaded with the same instruments and equipment of a real shuttle.

该模拟器是一个模拟的航天飞机驾驶舱，均衡的液压平台，载有相同的仪器和一个真正的航天飞机的设备。

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The heaters prevent the freezing of fuel lines that provide hydraulic power to steer the shuttle during ascent and reentry.

加热器可防止燃料的冻结，确保飞行器升空和返回的燃料供给。

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Raw hydrazine fueled the shuttle's auxiliary power units, which generated hydraulic pressure for various functions in the shuttle.

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