名词
中文翻译：棘轮测速器
同义词：
["棘轮转速表，棘轮速度计例句：1. The car's speedometer is showing 60 miles per hour.（汽车的转速表显示每小时60英里。）"]
例句：
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1. The car's speedometer is showing 60 miles per hour.
汽车的转速表显示每小时60英里。
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2. The engineer used a ratchet cyclometer to measure the engine's performance.
工程师使用棘轮测速器来测量发动机的性能。
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3. The driver was instructed to use the ratchet cyclometer to monitor the vehicle's speed.
司机被指示使用棘轮测速器来监控车辆的速度。