Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。Ken Darby and the Whiskeyhill Chorus sing about life on the canal.肯恩·戴...
The girl has grown prettier than ever since I saw her a year ago.一年不见,小姑娘出落得更漂亮了.But Antwerp is much prettier, right ?但是安特卫普很更加漂亮, 不是 吗 ?She was at her prettiest in her late teens, but even then she always had somebody w...
Desalting Film Series: If RO and Demineralizer.膜除盐系列: 如反渗透和电除盐.High velocity electrical desalting technology for oil is an imported new technology.原油高速电脱盐技术是引进的新电脱盐技术.Marine snakes use a similar desalting mechanism.海蛇也运用...