The separation of acetone, ethanol, benzene, chloroform, toluene was performed on a 10 % PEG - 20 M Chromosorb - W - AW - DMCS column.对样品中残留丙酮 、 乙醇 、 苯 、 氯仿 、 甲苯的分离选用10%PEG-20Mchromosorb -W-AW-DMCS 公谱柱.With the column ov...
Every bus arrives and leaves packed as fully as a sardine tin.每辆开来和开走的公共汽车都塞得像沙丁鱼罐头一样拥挤.Each sardine was hooked through both eyes.每一条沙丁鱼都是穿过眼睛挂在钩子上的.The old man unhooked the fish, rebaited the line with another sardine a...
She's a good communicator.她善于交流。The communicator draw a definite conclusion for the audience.宣传人员代宣传对象作出结论.Communicator is unable to import this file into the address book.通信器无法把此文件导入到通讯录中....
宫颈糜烂是严重的妇科病 吗 ?Is palace neck debaucjed defect of serious department of gynaecology?妇科病会不会引起皮肤发黄?Can disease of department of gynaecology cause skin hair to fizzle out?流产后服用避孕药会不会引发妇科病? 会不会不孕?Does abortive hind take prop...