名词
中文翻译：敲击计
同义词：
['knock gauge', 'knock tester']
例句：
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1. The engineer used the knock meter to measure the sound level of the factory.
工程师使用敲击计来测量工厂的声音水平。
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2. During the construction phase, we need to check the knock meter regularly to ensure the safety of workers.
在施工阶段，我们需要定期检查敲击计以确保工人的安全。
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3. The manufacturer provided a detailed guide on how to use the knock meter for accurate soundmeasurements.
制造商提供了一份详细的指南，说明如何使用敲击计进行准确的声学测量。