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...
Boy, that salesman was the biggest airhead I've ever seen.□好家伙, 那个男售货员是我见过的最愚蠢的人.She's a total airhead!她完全是个大傻瓜！I'm not a complete airhead.我可不是个十足的大傻瓜.I’m not a complete airhead.我可不是个十足的大傻瓜。...
There were notable jousts with the Secretary of Commerce.和商业部长之间明显存在竞争。leaders of industry and commerce工商界领导人During the war, they laid an embargo on commerce with enemy countries.在战争期间, 他们禁止与敌国通商....
The Philippines has just 6,000 square kilometres of forest left.菲律宾只剩下6,000平方公里的森林了。Marilyn made her last public appearance at Madison Square Garden.玛丽莲最后一次公开亮相是在麦迪逊广场花园。His finger nails were square and cut neatly across...