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超声变幅杆是

时间：2022-01-11 21:55 关键词：摩擦学物理学

答案解析

<p> 超声系统的重要组成部件，它被用来将换能器传来的由电能转换成的机械能传递给被加工工件，是功率超声振幅的机械放大级，用以提高超声加工功效。</p>

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