This paper describes a new method of flow measurement with ultrasonics.
本文探讨了一种利用超声波测量的新方法。
Experiments with ultrasonics and brain lesions are done by universities.
超音波实验和脑病变是在大学完成。
With ultrasonics, cavitation occurs throughout the tank, and all sides of submerged parts are cleaned.
使用超声波，整个槽都有空化产生，水下的零件各个面都会被清洗。
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