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轮常用的图纸表达方法，发
图上的断投影结果与轴图中确定的断形状尺寸不一致的问题。
词
想词
叶轮，风机叶轮叶轮；压气机叶轮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轮常用的图纸表达方法，发图上的断投影结果与轴图中确定的断形状尺寸不一致的问题。
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