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		水中高压脉动气泡水射流形成机理及载荷特性研究1)
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			THE MECHANISM OF JETTING BEHAVIORS OF AN OSCILLATING BUBBLE1)
			 
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		 图1. 气泡与 (a) 自由液面或 (b) 刚性壁面耦合作用示意图及柱坐标系的定义  | 
	
Fig.1. Sketches of the bubble interaction with (a) a free surface and (b) a rigid wall, and the definition of the cylindrical coordinate system  | 
	
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