变电站、发电厂升压站发现接地故障时,一般不宜进行接地网接地电阻的测量。 发布时间:2017-07-07 23:33 │ 来源:www.tikuol.com 题型:问答题 问题: 变电站、发电厂升压站发现接地故障时,一般不宜进行接地网接地电阻的测量。
题型:问答题 —Have you told Joan the bad news that her grandfather fell off the bike and hurt seriously?—Yes. I told her ________I saw her this afternoon.[ ]A. while B. the moment C. until D. suddenly 查看答案