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.
本文对压缩理想气体和实际气体的离心式叶轮作了流场分析。
This paper presented the flow field analysis in centrifugal impellers compressing perfect and real gases respectively.
目的是讨论离心式叶轮内理想气体与实际气体流场分析结果之间的差异。
This paper presented the flow field analysis in centrifugal impellers compressing perfected real gas respectively.
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