无活动导叶S形轴伸贯流转浆式水轮机导叶叶栅
S-type Toma tube turbine guide vane cascade
风洞风场
wind field in wind tunnel
泵轮叶栅流道
Flow path of impeller blade
超高负荷压气机叶栅
super-highly loaded compressor cascade
超音出口涡轮叶栅
supersonic turbine cascade
错排叶栅扩压器
staggered arrangement cascade diffusers