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...
Poisonous smoke had got into the water supply.毒烟已经进入供水系统。There are hundreds of poisonous spiders and snakes.毒蜘蛛和毒蛇成百上千。This gas is highly poisonous.这种气体有剧毒。...
We laid out the economic guidelines and followed it.我们制定了经济方针并且遵循它.Safety guidelines had been blatantly ignored.安全规章被公然置之不顾.We are aiming for guidelines, not cut-and-dried answers.我们想要的是指导原则，不是固定的答案。It fits Orwell's...
They had ensured the plumbing was overhauled a year ago.他们曾保证水管一年前彻底检修过。Plumbing and electrics are installed to a high standard.管道设备和电路按照高标准安装。The electrics and the plumbing were sound.电路和水暖设备都完好无损。...