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。Not far away were other geothermal wellheads, their natural pressurized steam deflected into huge insulated pipes.不远处是另几口地热井, 它们的天然加压蒸汽输进了巨...
The boffins of Imperial College in London think they may have found a solution.伦敦帝国理工学院的科研人员认为他们可能已经找到了解决办法。Radar and other inventions were the work of " boffins ".雷达以及其它种种发明都是科学工作者们的 成果.This and other inventions were th...