【简答题】标幺值等于实际值 基值,变压器各物理量的基值通常取与实际值对应的额定值,线值的基值取对应的额定 (选填:线;相)值,相值的基值取对应的额定 (选填:线;相)值,如:线电压的基值取 (选填:额定电压;额定相电压),相电压的基值取 (选填:额定电压;额定相电压)。 三相变压器容量的基值取其 (选填:一相;三相) 的额定容量。
【简答题】Make the direct questions indirect and indirect questions direct. The first one is already done for you. eg. How old are you? → Could you tell me how old you are? 1 Is it expensive? 2 What was the foo...
【简答题】Make sentences according to the models of sentence structure. Model 1: Could you suggest something that would be more humorous and interesting? 2. could you recommend, something, that is less harmful ...
【单选题】多绕组变压器应对每个绕组的额定容量加以规定,其额定容量为()。
【单选题】In the 1940s the official press had stated that economic goals would be______ to political objectives.
【简答题】Why is knowledge playing a decisive role in the shifting of power in al most all established institutions?