vortex pump with open impeller的意思|示意

开式旋涡泵 矩形螺杆泵； square thread screw pump 开式旋涡泵； vortex pump with open impeller 开式叶轮 巧克力贵宾有白毛 离心泵； centrifugal pump with open impellerpump ..

开式旋涡 开式旋涡泵； vortex pump with open impeller开式叶轮离心泵； centrifugal pump with open impellerpump铠装泵； armoured pump可变磁阻电动机泵； variable reluctance motor...

开式漩涡泵 ... 矩形螺杆泵;square thread screw pump 开式漩涡泵;vortex pump with open impeller 开式叶轮离心泵;centrifugal pump with open impellerpump ...