The results show that the impeller flows periodically under large negative prewhirl angle.
结果表明,在较大的负预旋角度下,流动呈现出周期性;
The results show that the impeller flows periodically under large negative prewhirl angle.
结果表明,在较大的负预旋角度下,流动呈现出周期性;
The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.
摘要研究了双流道污水泵常用的图纸表达方法,发现平面图上的断面投影结果与面图中确定的断面形状尺寸不一致的问题。
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