选用晶闸管元件的额定电流值,可根据实际最大电流计算值乘以5倍。 发布时间:2020-10-29 11:53 │ 来源:www.tikuol.com 题型:判断题 问题: 选用晶闸管元件的额定电流值,可根据实际最大电流计算值乘以5倍。
题型:判断题 —Oh, sorry, what did you say just now? —I asked _______.[ ]A. Where he comes from B. where did he come fromC. where he came from D. when did he go 查看答案