名词
中文翻译：运行表
同义词：
['traffic gauge', 'speedometer', 'speed gauge']
例句：
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1. The traffic police are using a running gauge to monitor the traffic flow.
交通警察正在使用一个运行表来监控交通流量。
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2. The speedometer is showing that the car is going at a steady speed.
速度表显示汽车以恒定的速度行驶。
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3. The engineer used a speed gauge to measure the engine's performance.
工程师使用行程计测量发动机的性能。