问题
问答题 简答题
安全自动装置包括哪些装置？
答案
参考答案：安全自动装置：指电力系统稳定控制装置；电力系统自动解列装置；自动低频减负荷装置；自动低压减负荷装置；自动联切消除设备过负荷装置；频率越限切机装置；备用电源自动投入装置等保证电力系统安全稳定运行的自动装置。
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安全自动装置包括哪些装置？
参考答案：安全自动装置：指电力系统稳定控制装置；电力系统自动解列装置；自动低频减负荷装置；自动低压减负荷装置；自动联切消除设备过负荷装置；频率越限切机装置；备用电源自动投入装置等保证电力系统安全稳定运行的自动装置。
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| There was a woman in Detroit, who has two sons. She was worried about them, especially the younger one, Ben, __1__ he was not doing well in school. Boys in his class made jokes about him because he seemed so __2___. The mother decided that she would, herself, have to get her sons to do better in school. She told them to go to the Detroit Public Library to read a __3___ a week and do a report about it for her. One day, in Ben's __4___, the teacher held up a rock and asked if anyone knew it. Ben put up his hand and the teacher let him ___5__. "Why did Ben raise his hand?" they wondered. He __6__ said anything; what could he possibly want to say? Well, Ben not only _7___ the rock; he said a lot about it. He named other rocks in its group and even knew __8___ the teacher had found it. The teacher and the students were __9__. Ben had learned all this from doing one of his book __10___. Ben later went on to the __11__ of his class. When he finished high school, he went to Yale University and at last became one of the best doctors in the United States. After Ben had grown up, he _12__ something about his mother that he did not know as a _13___. She, herself, had never learned how to __14__. | ||||
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