两者通过普通的分馏彼此分离.It can be separated from each other by ordinary fractional distillation.气体分馏 - 间歇式聚丙烯联合装置中一些气体的排放会造成很大的浪费和环境污染.The gases light - ends unit may cause serious waste and environment pollution.分馏法只属物理方法,不能分解化合物...
Check seals on fridges and freezers regularly.定期检查冰箱和冷冻柜的密封装置。Refrigerator - freezers will hold provisions to feed the 23 crew and 70 passengers for about a week.冷藏柜里的食品足够二十三名机组人员和七十名乘客维持大约一周的生活所需.Polyurethane is a commo...
They have been herding cattle on the tableland for generations.他们世世代代在这高原上放牧。Night slowly reached the tableland.夜,款款地来到高原上.All architecture on the tableland is defensive, all monuments are like forts.在这高原上,所有建筑样式都是防御式的, ...
在临死的那些日子里，年迈的女王态度稍缓和了一些。In her dying days the old Queen unbent a little.一位发言人称这一坚决的行动缓和了极为棘手的局面。A spokesman said this firm action had defused a very nasty situation.新的数据显示经济衰退可能有所缓和。New figures indicate the recession may...
编制宗谱的过程中,不能有任何失误.No margin of error was permitted in its compilation.相反的, 声名狼藉的成员,名字将从宗谱中被删掉.Conversely, those considered notorious would be expunged.宗谱的诞生可以追溯到周朝 ( 公元前1050 - 221 ).The genesis of the Zongpu is traceable ...
I had another spontaneous miscarriage at around the 16th to 18th week.我在大约第16至18孕周时又经历了一次自然流产。to have a miscarriage流产Smoking during pregnancy increases the risk of miscarriage.怀孕期吸烟会增加流产的危险....