The causes of tarnishing gold and silver - plated connectors were studied respectively.分别探讨了接插件镀金和镀银层变色的原因.Bright tin electrodeposits on copper wire are susceptible to tarnishing.铜线材经光亮镀锡后易产生腐蚀变色.Do they not realize thei...
这种清漆可作耐久的罩面漆.This varnish provides a durable finish.然后再加干性油,以得到耐久的, 精修的表面.Then a drying oil is applied to give apermanent, decorative finish.这种彩色抛光剂 -- 外表为半光泽或缎状 -- 据说是很耐久的.The color finish -- of semi - glass or satin ap...
We all know that fats spoil by becoming rancid.我们都知道油脂变质后会发臭。Mobutu ascended through the ranks, eventually becoming commander of the army.蒙博托出身行伍，通过一级级晋升，最终成为了陆军司令。We are becoming one of the market leaders in the fashion...
他许诺任命一位艾滋病大使来应对这种疾病。He promised to appoint an AIDS czar to deal with the disease.大使馆内的水电都被切断了。Light and water in embassy buildings were cut off.在大使馆里，他是职位最低也是入职最晚的一位。He was the most junior and most recent arrival at the ...
...the red tape which was used to bind the files...用来捆扎文件的红带子Love rules without a sword and bind without a cord.爱的统治不用刀枪，捆绑不用绳索。The reason that the sifting bars of ISF bind sinter mix is analysed.详细分析了ISF布料器在运行过程中筛杆粘料的原因...