以二甲基亚砜为萃取溶剂,用溶剂萃取的方法提高焦化柴油的颜色安定性.Colour stability of coker gas oil has been improved by DMF extraction.以物质A为反应物,白土为脱色物质,研究用反应-吸附的方法提高焦化柴油的质量.A coking gas oil was treated by clay refining processs in laboratory.在这道门里, 焦化和...
No longer trammel by his responsibility as chairman, he can say what he wish.他不当董事长就不受职务约束了, 想说什么就说什么.Lori Trammel skanked her way through the entire football team!罗莉·泰墨在橄榄球队混不下去了!To adjust or align ( mechanical parts ) ...
We received an avalanche of inquiries.人们纷纷来电或来函查询, 我们实在应接不暇。Khalil heard the thunder of an avalanche.哈利勒听到了雪崩传来的轰隆声。alpine villages destroyed in an avalanche在一场雪崩中被摧毁的高山村庄...an avalanche in the Swiss alps.瑞士阿尔卑斯山脉的一次雪崩Th...