名词
中文翻译：振动器
同义词：
['vibrator', 'vibration device', 'vibrating device']
例句：
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1. The vibrotron is used to test the strength of materials.
振动器用于测试材料的强度。
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2. The vibrotron was invented by a scientist who wanted to create a more efficient machine.
振动器是由一位科学家发明的，他想创造一个更高效的机器。
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3. The vibrotron has been used in various industries for years, improving efficiency and reducing waste.
振动器在各个行业使用了多年，提高了效率并减少了浪费。