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
纸表达方法，发现平面
断面投影结果与轴面中确定断面形状尺寸不一致问题。
词
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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纸表达方法，发现平面断面投影结果与轴面中确定断面形状尺寸不一致问题。
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