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				           		本文中设计了半开式离心泵叶轮,安装在清水透明离心泵实验装置中。
						        					            	 The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.
								    										 
								    				            	 youdao 
- 
				           		本文中设计了半开式离心泵叶轮,安装在清水透明离心泵实验装置中。
						        					            	 The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.
								    										 
								    				            	 youdao