结果表明：迷宫螺旋泵扬程系数最大值随流量的增大而减小；
The analysis results show that the maximal value of the pump head coefficient declines when the flow rate increases;
本实用新型涉及一种单端多级迷宫螺旋泵，属于通用工程设备技术领域。
The utility model relates to a single end multistage labyrinth screw pump, belonging to the technical field of universal engineering equipment.
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