释义 |
pohlmann 基本例句 波尔曼 The natural frequency of the blade of a Pohlmann whistle is studied. 本文研究簧片哨里簧片的固有频率。 cnki The lab test showed that scale can be removed and prevented effectively with the help of Pohlmann sound generator. 实验研究表明,利用帕尔曼声波发生器产生的声波作用,可以有效地清除垢和防止垢结构的生成。 com This paper introduces the function mechanism of Pohlmann sound generator on scale removal, and some experimental researches have been done. 本文介绍了帕尔曼声波发生器在声波除垢方面的机理,开展了相关的实验研究。 com |