pump with opposed impellers 相对叶轮泵 ; 背靠背叶轮泵 ; 相对叶轮泵背靠背叶轮泵 ; 违靠违叶轮泵
pump with enclosed impellers 闭式叶轮泵
pump coupling with enclosed impellers 闭式叶轮泵联轴器
flow impellers 导流叶轮
DC Motorized impellers 热交换器用离心风机
pumwith enclosed impellers 闭式叶轮泵
ump with enclosed impellers 闭式叶轮泵
contra-rotating axial flow impellers 对旋轴流叶轮
Vortex impellers 涡流叶轮
But the study of inner flow for compound impeller is not involved yet.
但复合叶轮内部流动方面的研究工作还少有人涉足。
参考来源 - 低比转速离心泵复合式叶轮内部流动的数值计算The relation between the flow conditions and material surface abrasive erosion of the pump impeller has been studied.
研究了过流条件与泵轮叶片表面冲蚀磨损的关系。
参考来源 - 清淤用泥浆泵轮叶片的冲蚀磨损形貌分析—《南水北调与水利科技》—2008年第1期—龙源期刊网It has guiding significance to improve the success rate of he dynamic Balance test for Impeller of fan.
对提高风机叶轮动平衡试验的成功率具有指导意义。
参考来源 - 风机叶轮动平衡试验误差分析·2,447,543篇论文数据，部分数据来源于NoteExpress
N the vaned rotating disc of a centrifugal pump, compressor, etc 叶轮; 离心泵、压缩机等的风向旋转盘
The actual operation shows that the newly-designed impellers were safe.
实际运行结果表明，改型后的叶片运行是安全的。
Frequently clear the attachment on impellers to avoid load increasing, so as to not damage aerator by overload.
应经常清除叶轮附着物，防止负荷增加，以免造成过载运行而损坏增氧机。
Cantilever pumps are available with closed, open or vortex impellers to meet the requirements of different applications.
悬臂泵叶轮有闭式、开式、旋流式三种型式，以满足不同的应用需要。
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