1)  plastic hammer
					
	
					
				
				
	
					
				塑料小锤
			
					2)  plastic hammer
					
	
					
				
				
	
					
				塑料锤
				1.
					The structure-borne sound which excited by plastic hammer hitting structure surface is used to measure the longitudinal wave speed of in-situ buildings,hence the determination of the Young s modulus.
						
						文中采用塑料锤敲击建筑构件,激发固体声波,进行纵向声波波速的现场测量,由此确定已完工的建筑构件的杨氏模量。
					
					3)  small plastic part
					
	
					
				
				
	
					
				小塑料件
				1.
					Through the technical analysis of a small plastic part,a mold structure of multi-cavityadiathermal injection mold was introduced.
						
						通过对某种小塑料件的工艺分析,介绍了一种多模穴绝热式注射模具的模具结构,且详细介绍了该模具在设计过程中的要点及工作原理。
					
					4)  Polymer/Inorganic composite material
					
	
					
				
				
	
					
				塑料小球
			
					5)  plastic cover lilliputian greenhouse
					
	
					
				
				
	
					
				塑料小拱棚
			补充资料:揲揲锤锤
		1.象声词。促织的叫声。
		
		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