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...
She dropped a clanger when she mentioned the broken window.她提到打碎的窗子时说得真不是时候.She dropped a clanger when she mentioned his ex - wife.当她提到他的前妻时,真是哪壶不开提那壶.He dropped a clanger.他弄了个大笑话....
He examined the ads in " The New Yorker " and " Esquire. "他翻阅了《纽约人 》 和《绅士 》 杂志上的不少广告.Trends Esquire display in newsstand in an impressive and eye - catching way.《时尚先生》在报摊亭的醒目摆放,强烈吸引读者眼球.Halle Berry has been named the sex...