型潜水电泵的电机位于上部，为离心式叶轮，蜗壳结构；
The motors for QDX and QX submerged pumps are mounted on the top of pumps.
采用风力发电机驱动多台潜水螺杆电泵的系统，由于每台电泵是逐步接入系统的，因此该系统被称为分级接入式风电泵水系统。
We used a wind turbine drive some electric pump. For every pump is staged connected with the wind turbine, so the system be called the staged-connected wind-electric water pumping.
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