propeller pump 旋浆泵 ; 螺桨泵 ; 轴流泵 ; 旋桨泵

propeller pump with reversible blades 可逆叶片轴流泵

adjustable blade propeller pump 调节叶片螺桨泵 ; 可调叶片螺桨泵

propeller pump-turbine 轴流可逆式水轮机

adjustable-blade propeller pump 可调叶片式轴流泵

propeller pump coupling 旋浆泵联轴器

propeller pump with adjustable 可调式轴流泵

controllable pitch propeller oil pump 可调螺距螺旋桨油泵

blade propeller pump 可调叶片式轴流泵

mixed-flow propeller pump 混流式旋浆泵