名词短语中文翻译
中文翻译：机械定时继电器
同义词：
['mechanical relay', 'timed relay', "timing relay例句：1. The mechanical relay was the key to the system's operation.（机械继电器是系统运行的关键。）"]
例句：
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1. The mechanical relay was the key to the system's operation.
机械继电器是系统运行的关键。
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2. The timing relay ensured that the signal was sent at the right time.
定时继电器确保信号在正确的时间发送。
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3. The engineer had to replace the mechanical relay due to wear and tear.
由于磨损，工程师不得不更换机械继电器。