单选题:She seemed to have detected some anger in his voice. 题目分类:理工类 题目类型:单选题 查看权限:VIP 题目内容: She seemed to have detected some anger in his voice. A.noticed B.heard C.realized D.got 参考答案: 答案解析:
已知变压器的主保护是差动保护且无死区,各侧后备保护为过流保护,请问验算进线间隔的导体短路热效应时,宜选用下列哪一项时间作 已知变压器的主保护是差动保护且无死区,各侧后备保护为过流保护,请问验算进线间隔的导体短路热效应时,宜选用下列哪一项时间作为计算时间?并说明理由。( )A.差动 分类:理工类 题型:单选题 查看答案
Linda worked for the Minnesota Manufacturing and Mining Comp Linda worked for the Minnesota Manufacturing and Mining Company,__________as 3M. 分类:理工类 题型:单选题 查看答案
对电压为3kV及以上电动机单相接地故障,下列哪些项符合设计规范要求?( ) 对电压为3kV及以上电动机单相接地故障,下列哪些项符合设计规范要求?( )A.接地电流小于5A时,应装设有选择性的单相接地保护 B.接地电流为10A及以上时, 分类:理工类 题型:单选题 查看答案
__________(严格)speaking,your opinion isn’t the same as mine. __________(严格)speaking,your opinion isn’t the same as mine. 分类:理工类 题型:单选题 查看答案