【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】赵先生,40岁,于饱餐、饮酒后突然发生中上腹持久剧烈疼痛,伴有反复恶心,呕吐出胆汁。护理体检:上腹部压痛,腹壁轻度紧张。测血清淀粉酶明显增高。若考虑为单纯水肿型胰腺炎不应有的表现是()。
【简答题】Complete the interviewers questions from a job interview with words from the box. working contact let moving send sharing start 1 Would you mind _______ at weekends? 2 Could you ____...
【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()。
【简答题】电压互感器的容量是指其二次绕组允许接入的负载功率(以VA值表示),分额定容量和最大容量。()
【简答题】Why is knowledge playing a decisive role in the shifting of power in al most all established institutions?