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...
奥尔塔的天气变幻莫测。Orta's weather can be fickle.塔的影子倒映在水中.One can see the reflection of the tower in the water.塔的周围已竖起了脚手架.Scaffolding has been erected around the tower....