介绍了对电热膜喷镀装置的改进设计.Introduce the further improvement design for the electric heating film - plating device.鼓轮采用塔轮式结构, 鼓轮圈表面炭化鸽喷镀.The drawing capstans are of step - cone structure, the surface of which is spray - coated wit...
The detection environment, method and new progress of electroslag casting are introduced.介绍了电渣熔铸金属液位的检测环境 、 方法和最新成果.The forming mechanism of slag skin was studied during electroslag casting.研究电渣熔铸过程中渣皮的形成机理.Electrode reg...
问题之一是对机场员工的安检措施马虎松懈。One of the problem areas is lax security for airport personnel.松懈的保安措施使小偷有机可乘.Lax security allowed the thieves to enter.你不要松懈.You must not relax in your efforts....
He was back in the office, updating the work schedule on the computer...他已回到办公室，正在电脑上更新工作日程。Whenever a record is rewritten with some new information, this is called updating the record.每当按某个新的信息改写记录, 就叫作更新这一记录.Most manuf...
It’s the latest craze to hit San Francisco.那是旧金山流行的最新时尚。His birthplace is Washington,but he lives in San Francisco.他出生于华盛顿,但住在旧金山。San Francisco is built on 40 hills and some are very steep.旧金山建在 40 座小山丘上，其中一些非常陡峭。...a Ch...