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...
Tooling up would not be too expensive and we have factory space available.提供生产所需的设备不会太贵,而且现在工厂也有空余场地.Some of the parts are scrapped because ofworn tooling, bad equipment, or human error.由于工具磨损, 设备损坏或人为错误而报废了一部分零件.Tooling...
Departments of public health must enhance control over prescribed ephedrine preparations.卫生部门要加强对麻黄素单方制剂的管理.Pharmacists are required by law to give the medicine prescribed by the doctor.法律规定药剂师必须按照医生开的处方配药。The barons too...
She felt she had been made a scapegoat for her boss's incompetence.她觉得，本是老板无能，但她却成了替罪羊。He has been made a scapegoat for the company's failures.他成了公司倒闭的替罪羊.I don't deserve to be made the scapegoat for a cou...
溜冰的人绕着冰场旋转.The skaters whirled round the ice rink.孩子们拿起冰鞋向冰场走去.The children took their skates and made for the frozen pond.通过不断了解各种客户的不同需求,在人工冰场领域AST成为行业专家.AST understands itself as a professional and dedicated to the cl...
他们俩在婴儿床上酣睡着。They were both fast asleep in their cots.他肯定是从婴儿床里爬出来的。He must have climbed out of his cot.要在婴儿床里放一些玩具，以便他醒得早时可以自己玩。Put a selection of baby toys in his cot to amuse him if he wakes early....