| 单词 | pva | 
| 释义 | > as lemmasPVA   PVA  n. 		(also pva)	 Chemistry 		 (a) polyvinyl alcohol;		 (b) polyvinyl acetate. ΚΠ 1941    Jrnl. Amer. Chem. Soc. 63 2745/1  				The particle size of the protective colloid and the rate of hydrogenation have been related by studies of polyvinyl alcohol (PVA). 1953    Industr. & Engin. Chem. 45 759/1  				Polyvinylacetate (PVA) emulsions are now commonly used in numerous industrial applications. 2003    Evening Standard 		(Nexis)	 3 Dec. 31  				This new daily series asked us to get out our PVA glue, our cardboard, and even our sticky-back plastic, so we could make ‘personal gifts’. < as lemmas | 
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