More often, all of the materials exposed to the etchant have a finite etch rate.通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.Hydrofluoric acid of Porcelain Etchant and phosphoric acid of UNI - ETCH are severe eye and tissue irritants.瓷酸蚀剂...
Finally the structures were released in a 49 % HF etch.最后在49%F中腐蚀形成这些结构.More often , all of the materials etchant have a finite etch rate.剂中的材料都具有一定的刻蚀速率.Can some one suggest a suitable etch or sequence of etches to achi...
Thin down your mayonnaise with soured cream or natural yoghurt.用酸奶油或原味酸奶稀释蛋黄酱。Her mood soured a little.她的心情有点差。The harsh rhetoric had so soured officials that the two sides were barely speaking.激烈的言辞让官员们关系如此恶化，双方几乎不怎么说话。...
The computer repeats a set of calculations.计算机重复着一组运算。Both have fudged their calculations and avoided specifics.两人都对自己的计算结果含糊其词，避免提到具体数字。20 per cent of the calculations are wrong.这些计算有20%是错误的。...
Our range of herbal teas contain no preservatives, colourings or artificial flavourings.我们这一系列的药草茶不含防腐剂、色素以及人工调味品。Earl Grey, Darjeeling and Jasmine are best-selling traditional teas.伯爵茶、大吉岭茶和茉莉花茶是最畅销的几种传统茶叶。She loves to ...
她是不是很像北非谍影里的黛博拉卡尔?Doesn't she look exactly like Deborah Kerr in An Affair To Remember?为什么不上楼去和黛博拉告别 呢 ?Why don't you run upstairs and say goodbye to Deborah?是他率直的微笑赢得了黛博拉的芳心.It was his ingenuous smile that won ...