问题
名词解释
直流电动机
答案
参考答案：
把直流电能转换成机械能，并输出机械转矩的电动机。
搜题请搜索小程序“爱下问搜题”
直流电动机
参考答案：
把直流电能转换成机械能，并输出机械转矩的电动机。
| 选词填空。用方框中所给词语的适当形式填空，使短文正确、通顺、连贯.（每词限用一次， 每空一词）。 | |
in history. Some days ago, he 3______ to Beijing to endorse (认可) an automobile maker. Phelps was welcomed at Beijing Capital International Airport by 4______ of reporters and fans. Phelps said, "I am happy 5______ Beijing again. Beijing is 6______ old citywith a long history and I like Beijing very much. I think of many experiences (经历) and good 7______ about the Beijing Olympics. I think the Beijing Olympic Games are the best in history. It let people 8______ China better." Phelps 9______ eight gold medals at the Beijing Olympics last August. He won six gold medals and two bronze medals (铜牌) at the Athens Olympics 10______ 2004. |