有时这些碳棒包上一层铜,以增加其导电性.Sometimes the carbon rods are copper coated to improve electrical conductivity.当定购这种硅碳棒时,提供额定电阻是非常重要的.It is important to provide the nominal resistance when ordering.这种硅碳棒的连桥结构正是在此基础上去除了任何焊接部分.The Ele...
我们要找有经验的人，而不是有文凭的人。We're looking for people who have experience rather than paper qualifications.二年制的文凭课程a two-year diploma course给毕业班的学生颁发了毕业文凭.Diplomas were conferred on members of the graduating class....
Copyright expires 50 years after the death of the author.版权在作者死后50年即行终止.You must obtain a new automobile license when your old one expires.当旧的汽车牌照满期,你得领取新的.The magazine subscription expires with the current issue.本期杂志是订阅...