本文成立了多级离心泵导叶内部流场的计较模子，体例了活动计较措施。
This paper sets up a calculation model to solve the internal flow of multistage centrifugal pumps and a flow calculation program is worked out.
按照螺杆泵井各个部门运动独特之处及能量丧失环境，建立了螺杆泵井系统效率分析模子。
Screw pump Wells in accordance with the characteristics of the various parts of movement and energy losses, the establishment of a screw pump system efficiency analysis model well.
按照螺杆泵井各个部门运动独特之处及能量丧失环境，建立了螺杆泵井系统效率分析模子。
Screw pump Wells in accordance with the characteristics of the various parts of movement and energy losses, the establishment of a screw pump system efficiency analysis model well.
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