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...
商店售货员靠在柜台上漫不经心地招呼我。The shop assistant received me indifferently while leaning on a counter.那两名女售货员正忙着接待顾客。The two saleswomen were busily trying to keep up with the demand.售货员热情地和我打招呼。The salesperson greeted me with a war...
这家书店找不到此书, 他到别处买去了.Unable to find the book in this bookstore, he bought elsewhere.咱们想法到别处弄点吃的.Let's try and get something to eat elsewhere.我有点想搬到别处去.I have half a mind to move elsewhere....
The third baseman let the ball roll between his feet.第三名垒手让球从他的两只脚之间滚了过去.The baseman let the ball roll between his feet.名垒手让球从他的两只脚之间滚了.The runner was called safe when the baseman dropped the ball.当一垒手丢球时,跑垒员就真的安全了....