1)  straight hemming
					 
	
					
				
				 
	
					
				直缝边
			
					2)  straight sided slot
					 
	
					
				
				 
	
					
				直边割缝
			
					3)  technical tolerance
					 
	
					
				
				 
	
					
				纵缝直边余量
				1.
					This is article introducing manufacturing process of pressed cylindrical shell thick half of steam drum for utility boiler,creatively presenting measurement on decreasing longitudinal seam technical tolerance of thick half,as a result,the material utility rate of the drum is improved.
						
						介绍了大容量电站锅炉不等厚压制锅筒瓦片制造工艺过程,提出了减少厚瓦片纵缝直边余量的工艺改进方案。
					
					4)  parallel-sided slot
					 
	
					
				
				 
	
					
				平行直边割缝
			
					5)  vertical border machine
					 
	
					
				
				 
	
					
				垂直轴饰边缝纫机
			补充资料:边缝
		1.两物体边缘的缝接之处。
		
		说明:补充资料仅用于学习参考,请勿用于其它任何用途。
	参考词条