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...
They would not care. Hanson particularly would be glad when she went.他们不会在意她的, 尤其汉生对她的离开会感到高兴.Hanson's golden rule is to add value to whatever business he buys.汉森的成功原则是不论收购什么样的企业都要使其增值。When Hanson came home he wore ...
Many farms are jumping on the bandwagon and advertising organically grown food.很多农场正赶潮流宣传有机食品。It is always best to choose organically grown foods if possible.如果可能，最好还是挑选有机食品。Some shops are bowing to consumer pressure and...
"I've come to reclaim my property," she announced to the desk clerk.“我来要求归还我的房产，”她向接待人员宣布。If you make regular gifts through a covenant we can reclaim the income tax which you have already paid on this money.如果你签订契约定...
在被担架抬下跑道时,她明显处在巨大的痛苦中.She was clearly in tremendous pain as she was carried off the track on a stretcher.在被救护人员从火车上抬下时,他死了.He expired as he was being carried from the train by ambulance men.22岁的鲁尼倒在地板上立刻呼叫队医.他被担架抬下球场送去医院...
Beta - exotoxin is an inhibitor of RNA polymerase and acts competitively with ATP in various biological processes.外毒素是RNA聚合酶的抑制剂,在各个生化过程中与ATP起竞争作用.Muscle contractions are powered by the chemical adenosine triphosphate ( ...
If you build more plastics into cars, the car lasts longer.如果汽车采用更多塑料元件，寿命会更长一些。She dusted herself down and left to build her own career.她重振旗鼓去开创自己的事业了。Dr. Johnson and I have been trying to build him up physically.约翰逊医生和...