单词：polyvinylacetate
聚乙烯乙酸酯
单词：polyvinylacetate 相关文章
Recycling Plastics When plastic containers are recycled, they are first cleaned, then ground into tiny pellets and put into a flotation tank. This separates out the various plastic resins from other waste material. Once they are separated out, the pl
发表于:2018-12-27 / 阅读(72) / 评论(0)
英语时差8，16
英语时差8，16
β-Amyrin β-香树脂醇 α-Amyrin acetate α-香树脂醇乙酸乙酯 β-Amyrin acetate β-香树脂醇乙酸乙酯 β-Amyrin palmitate 棕榈酰β-香树酯 Anabasine 毒藜碱 Anagyrine 臭豆碱,安
发表于:2019-01-03 / 阅读(91) / 评论(0)
医务英语
医务英语