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叶的图纸表达方法,发平面图上的断面投与轴面图中确定的断面形状尺寸不一致的问题。
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