谁有超声波的英文资料?麻烦共享一下,谢谢。

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查看11 | 回复1 | 2012-3-19 09:02:02 | 显示全部楼层 |阅读模式
Ultrasonic cleaning originating in the nineteen sixties, ultrasonic technology to come out, the scientists found: a certain frequency range of ultrasonic, is applied to the liquid medium, can achieve the function of cleaning. After a period of study and test, not only obtained the satisfactory effect, and found that the cleaning...
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