双向竖井贯流式水泵装置
bidirectional tubular pump arrangement with silo
旋流式竖井
rotation flow vertical shaft
cyclone shaft
旋流式竖井溢洪道
vortex flow intake shaft spillway
非确定性数据流式设计
nondeterministic data flow programming
立式混流泵装置
vertical mixed-flow pumping system
传统轴流泵设计理论
traditional axial pump theory