名词
中文翻译：噪音消除器
同义词：
['noise suppressor', 'noise reducer']
例句：
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1. The engineer designed a noise deadenerto improve the factory's acoustics.
工程师设计了一个降噪设备来改善工厂的声学环境。
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2. The new noise deadenersignificantly reduced the sound levels in the area.
新的降噪设备显著降低了该地区的声音水平。
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3. Thenoise deadener was installed in the officeto help employees concentrate on their work.
在办公室安装了降噪设备，以帮助员工集中精力工作。