本文提出了比转数和汽蚀比转数的统一定义，并推导和推荐了相应的计算公式。
This paper presents the unified definitions of specific speed and cavitation specific speed and derives their respective formulas.
总之，本文初步提出了用叶轮几何参数计算比转数的公式。
In general, a new formula is presented for computing specific speed with impeller geometric parameters.
根据循环水泵不同的比转数和不同的结构，论述具体切割方法和效果。
According to the difference between the proportion of turn and construction of circulating water pump, the author expatiates on the specific cutting methods and their effects.
应用推荐