锌基合金的压铸件总是在氰化镀液中镀铜.Zinc base die castings are always copper plated in cyanide baths.简要回顾了无氰碱性镀铜的发展历史.The development history of cyanide - free copper electroplating is briefly reviewed.指出了普通镀铜工艺的缺点.The disadvantages of c...
我认识德里克时，他是个非常出色的舞者。When I met Derek he was ever such a good dancer.他和他的死对头朱塞佩·德里察双双落败。Neither he nor his arch-rival, Giuseppe De Rita, won.这场比赛将由来自威尔士的德里克·贝文执法。The match will be refereed by Derek Bevan from Wales....
I thought, "Here'ssomeone who'll understand me." So I wrote to her.我想：“这个人会理解我的。”于是开始给她写信。I wrote back to Meudon at once to fix up a meeting.我马上给缪顿回信安排会面。I wrote that song just to cheer myself up.我写那首歌是给我自己打气的。...
She suffered from anaemia and even required blood transfusions.她患有贫血症，甚至需要输血。Symptoms of anaemia include weakness, fatigue and iron deficiency.贫血的症状包括虚弱、疲劳和缺铁。I was put on iron tablets for my anaemia.我曾因贫血吃补铁药片....