The detection environment, method and new progress of electroslag casting are introduced.介绍了电渣熔铸金属液位的检测环境 、 方法和最新成果.The forming mechanism of slag skin was studied during electroslag casting.研究电渣熔铸过程中渣皮的形成机理.Electrode reg...
支票由私人快递公司送到了银行。The cheques were delivered to the bank by a private courier firm.快递员能破开10英镑的纸币。The courier had change for a £10 note.我把它快递给纽约的达伦。I couriered it to Darren in New York....
Catalytic dehydrogenation of ethylbenzene is an important method for production of styrene.乙苯催化脱氢是生产苯乙烯的主要方法.Methanol dehydrogenation is a promising route for commercial production of anhydrous formaldehyde.甲醇直接脱氢制无水甲醛是具...
AutoFill automatic container irrigation delivers the convenience of automatic irrigation , but with the advantages of sub - irrigation.自动填充容器灌溉系统具有地下灌溉的优点....