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- It points out that even very small ground current could also produce very high overvoltage, and in network of small ground current the singte phase arc earthing is principally expressed as high frequency arc suppressing. 指出:即使很小的接地电流也会产生很大的过电压,而且在小接地电流电网中单相弧光接地主要表现为高频熄弧。
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年，贞德被追封为圣女。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的？
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- Joan of Arc led a large army to raise the siege of Orleans in1429. 贞德在1429年率大军解除了英军对奥尔良的围攻。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- The Method Research on Eliminating Arc Earthed Overvoltage 消除弧光接地过电压的方法研究
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- Antarctica is the loneliest place on earth. 南极是地球上最偏远的地区。
- He dived his hand into the earth. 他将手插入泥土中。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- Earth worms are often used as bait. 蚯蚓常用作鱼饵。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
