问题
问答题 简答题
机电维修岗位电气维修工,在二次回路上进行通电试验时,防止由二次向一次反送电应如何操作?
答案
参考答案:应将二次回路断开取下二次回路的保险后,悬挂“停电”标志牌后,方准进行工作。
机电维修岗位电气维修工,在二次回路上进行通电试验时,防止由二次向一次反送电应如何操作?
参考答案:应将二次回路断开取下二次回路的保险后,悬挂“停电”标志牌后,方准进行工作。
从方框中选择正确的单词填空。 | |
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Bill Clinton took office (就职) 1 January20, 1993 and became the 42nd US president (总统). He was the first US president 2 was born after World War n. He was 3 0ne of the youngest of all US presidents, Clinton was born 4 a poor family. Three months before he was born, his father, William Blats, 5 When he was small, his mother remarried (再婚) Norger Clinton, 6 the boy's family name was changed. In the summer of 1963, Clinton was asked to visit the 7 of Washington. 8 his visit, he 9 President Kennedy in the White House. At that time, he wanted to become a president. And some years 10 his dream came true! |