名词
中文翻译：真空制动器
同义词：
['vacuum clutch', "vacuum stop例句：1. The vacuum brake is used to slow down the car when it's going too fast.（真空制动器用于当汽车速度过快时减速。）"]
例句：
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1. The vacuum brake is used to slow down the car when it's going too fast.
真空制动器用于当汽车速度过快时减速。
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2.The engineer had to use the vacuum brake to stop the train before it hit the bridge.
工程师不得不使用真空制动器在火车撞击桥梁之前停下来。
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3. The vacuum brake was a crucial part of the old train engine.
真空制动器是旧式火车引擎的关键部件。