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...
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...
Her weakened body cannot be easily vitalized.她衰弱的身体不易重新获得活力。Cool, clean and refreshing a whole day refreshed and vitalized.清新冰凉感觉, 唤醒沉睡肌肤,天天神清气爽.适合混合性皮肤使用.The treatment at the spa vitalized the old man.矿泉治疗使这个老人获得新生....
莫平的小说最初都是以连载的形式出现的。Maupin's novels have all appeared originally as serials.它于 1899年 以连载的形式在英国的一家杂志首次发表.It was first serialized in Blackwood's Edinburgh Magazine in 1899. "...
There were 256 meteorological observatories with radar installations and 356 satellite cloud map receiving stations.全国共有气象雷达观测站点256个,卫星云图接收站点356个....adverse meteorological conditions.不利的气象条件Meteorological errors are clea...