The mechanism of oxygen absorption and deoxygenation is discussed.讨论了该配合物的吸氧与释氧机理.And then advice on choosing the methods of deoxygenation of boiler water is given.在此基础上,找出它们的优缺点,提出了锅炉给水除氧方法选用的建议性意见.Quartz sand, activate...
这是肉眼胜过雷达的又一事例。It was yet another case where the human eye outperformed radar.自从1939年以来,雷达的每个部分的技术一直在继续不停地发展.Progress in every branch of radar was constant and unceasing during 1939.雷达的原理相当简单.The principle of radar is qui...
卫星重新进入大气层，烧成灰烬。The satellite re-entered the atmosphere and burned up.他下令将他们的村庄烧成灰烬。He ordered their villages burned to ashes.房子被烧成了灰烬.The house was burnt down to ashes....
...their lost homeland.他们失去的祖国I would adore to settle back homeland.我非常喜欢回家乡定居。Our growth is the evidence of our homeland's development grandness.我们的成长见证了祖国的发展壮大.He returned to his homeland with the purpose of servi...