长轴离心深井泵 型式与基本参数
Borehole shaft driven centrifugal pump--Types and basic parameters
2006-09-14
JB/T 11706.1-2013
三相交流电动机拖动典型负载机组能效等级 第1部分:清水离心泵机组能效等级
Energy efficiency grade for typical load unit driven by three-phase motor-Part 1:Energy efficiency grade of centrifugal pump unit for fresh water