2.2kW的异步电动机,运行于相电压为220V的三相电路,已知电动机效率为81%,功 发布时间:2018-01-25 21:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 2.2kW的异步电动机,运行于相电压为220V的三相电路,已知电动机效率为81%,功率因数0.82,这台电动机的额定电流为( )A。A.4 B.5C.8.7 D.15
题型:单项选择题 Following a transsphenoidal hypophysectomy, the nurse should assess the client carefully for which conditionA.Hypocortisolism.B.Hypoglycemia.C.Hyperglycemia.D.Hypercalcemia. 查看答案