Oxygen obtained from liquefied air is usually about 99.5 % pure.由液化空气所取得的氧其纯度通常约为99.5%.The production of cold involves the production of liquefied gases.冷量生产涉及到液化气的生产.Chlorine is usually liquefied before use or storage.氯...
The production of cold involves the production of liquefied gases.冷量生产涉及到液化气的生产.It is best fit for pouring liquefied gas bottle, inversing bottle and adding gas for motorcar.该泵最适合于液化气瓶的罐装、倒罐及汽车燃料加气.Oxygen obtained from l...
The creating course of chlorine water and the vacuum dechlorination process was briefly introduced.简要介绍了氯水产生的过程及真空脱氯工艺.The main way for the reductive dechlorination of chloralkane is the direct transfer of electron.电子直接转...
你现在就付款呢, 还是我们记在你账上?Are you paying now, or shall we book it down to you?那笔钱已转到我账上.The sum of money has been transferred into my account.你的账上还剩五美元.The balance on your account is $ 5....