内容标题13

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                滚筒加∑工件
                

                



                

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						机加工件
						
                机加不由氣得滿臉憤怒工件就是用机械加工的工艺加⌒工出来的工件，比如钣金加工：剪、冲、折、压、弯。或切削我自然是加工：车、铣、刨、磨、钻，钣金加工不改变材料厚度，切削加工去■除材料改变工件厚度。...
                
					
                
				
                
				
				
			
                
			
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