在恶劣的自然环境下,积污绝缘子随时可能发生闪络.Polluted insulators may flashover at any time under disadvantage weather conditions.实验表明表面电荷积聚使得绝缘子沿面闪络电压的降低竟然达到23.4%.For the insulator investigated the 50 % flashover voltage is reduced by 23.4 %...
a kilometre and a half of bitumen一公里半的柏油路面Bitumen paper can be burnt to gain energy.沥青纸可以焚烧以获得能量。In fact, a speciality crude is suitable only for bitumen production.事实上, 这种特性的原油只适宜于生产沥青....
把洋葱切成极薄的薄片。Cut the onion into paper-thin slices.流动表面上的亮条纹是高度反光的薄片的轨迹线.Light streaks on surface of flow are traces of highly reflective flakes.湿润的薄片需加热,以钝化抗营养的因素.Moistened flakes are heated to inactivate the antinutrition...
One wondered what heights of ecstasy the winner reached.人们想知道胜者欣喜若狂到了什么程度。She was in a trancelike state of religious ecstasy.她的宗教狂热已使她处于恍惚状态之中.Speechless with ecstasy , the little boys gazed at the toys.小孩注视着那些玩具,高兴得说不出话...