名词
中文翻译：数字转速表
同义词：
["数字转速计例句：1. The digital tachometer is used to measure the engine's speed.（数字转速表用于测量发动机的速度。）"]
例句：
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1. The digital tachometer is used to measure the engine's speed.
数字转速表用于测量发动机的速度。
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2.The engineer used the digital tachometer to monitor the car's performance.
工程师使用数字转速表来监控汽车的性能。
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3.The digital tachometer was an essential tool for the mechanic during the repair process.
数字转速表是维修过程中机械师必备的工具。