Useful information for the performance improvement was got from the distribution of inner flow velocity and pressure, flows impact, secondary flow and recirculation in the helix centrifugal pump.
通过对该泵内部流动速度、压力分布与捕捉到的流动冲击、二次流、回流等重要现象的分析，给该泵的性能改善与改进提供可靠的信息。
Useful information for the performance improvement was got from the distribution of inner flow velocity and pressure, flows impact, secondary flow and recirculation in the helix centrifugal pump.
通过对该泵内部流动速度、压力分布与捕捉到的流动冲击、二次流、回流等重要现象的分析，给该泵的性能改善与改进提供可靠的信息。
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