The veneer of artificiality which she had acquired at the fashionable schools were thrown off.那种她在时髦学校里沾染的不自然的虚饰都被抛到了九霄云外.Otherwise, you will drift into artificiality or attempt to solidify the ever - flowing.若非如此, 你就会陷入...
如果氟的含量高, 会加剧设备的腐蚀.If the fluorine content is high, it may increase plant corrosion.阐述用氟离子选择电极测定低铬钝化液中的氟的方法.Ion selective electrode analysis of fluoride in deluted chromating solution is described.结论氟化牛奶中氟的生物利用率是足够高的.Conc...