In order to make it safe, the element is electrically insulated.为安全起见,该元件作了电绝缘处理。That electrically charged particles reside within atoms had been surmised since the time of Faraday.从法拉第的时代起,人们就已推测到,在原子内存在着带电的粒子.Electrica...
彩色正片的彩色再现过程,基本上和彩色负片相同.Color positive emulsions basically perform in the same way that color negati ves do.正片什么时候开始?What time does the main feature start?正片九点开始放映到十点半结束.The feature started at 9 o'clock and ended at ...
While Karen was speaking, Josie lifted down two lengths of steel channel from the van's interior.凯伦说话的时候, 乔西从汽车内部取下两根钢槽.In an ideal world Karen Stevens says she would love to stay at home with her two-and-half-year ...