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本文介绍了降低超声清洗槽噪声的途径和方法，将我国常用的２５０Ｗ超声清洗槽的噪声由１１２．５ｄＢＡ降到７６ｄＢＡ，并给出清洗槽噪声频谱。
In this paper, the ways and methods of reducing the noise of ultrasonic cleaning tank are introduced. The noise of 250W ultrasonic cleaning tank which is commonly used in our country is reduced from 112.5dBA to 76dBA, and the noise spectrum of cleaning tank is given.