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...
A glance along his bookshelves reveals a bewildering array of interests...看一眼他的书架就知道他兴趣繁杂。Bookshelves occupied most of the living room walls.这些书架占了起居室的大部分墙面。Bookshelves groan under the burden of books on threats to the e...
They have thrashed out a compromise formula acceptable to Moscow...他们经过讨论达成了一项莫斯科可以接受的折中方案。Second-placed Rangers thrashed St Johnstone 5-nil.排名第二的流浪者队以 5: 0 大胜圣约翰斯通队。The visiting side were soundly thrashed.客队一败涂地。We thra...
You mustn't judge people by their exteriors.你不能以貌取人.We mustn't allow it to bias our teaching.我们决不允许它影响我们的教学。One mustn't seek after comfort, personal fame and gains.我们不应当贪图安逸, 追名逐利.Don't you understand...
Some people moved in silky, liquid movements, others were jerky, probably drunk.一些人动作平稳流畅，其他人则跌跌撞撞，大概是喝醉了。She lit a cigarette with quick, jerky movement.她用急促的动作点着了香烟。Jerky word is to be short of calcium likely.抽筋的话有可能是缺钙...