用电桥测量电缆障碍点环路电阻为1000Ω,电缆线径为0.5mm,则障碍点距离约为() 发布时间:2019-12-27 18:32 │ 来源:www.tikuol.com 题型:单项选择题 问题: 用电桥测量电缆障碍点环路电阻为1000Ω,电缆线径为0.5mm,则障碍点距离约为()。A、0.5kmB、1kmC、3.378kmD、5.263km
题型:单项选择题 --Do you think there’s any possibility of the new educational programme next year?--Quite possible, according to some well-informed person.A.carrying outB.carried outC.to be carried outD.being carried out 查看答案