名词
中文翻译：气动操作的制动器
同义词：
['pneumatic brake', 'pneumatic brake system']
例句：
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1.The new car has a pneumatically operated brake that can stop the car in an emergency.
这款新车配备了气动操作的制动器，可以在紧急情况下使车辆停止。
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2. The train's pneumatically operated brake is working perfectly.
火车的气动操作制动器工作得非常好。
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3.The engineer had to replace the old pneumatically operated brake with a new one.
工程师不得不用一个新的气动操作制动器替换旧的。