避雷器出厂试验,500kV电压等级系统避雷器0.75倍直流参考电压下泄漏电流不应大于()μA。
A.50
B.100
C.150
D.200
参考答案:A
The local people ________ building the new hotel because of the great cost.
A.opposed
B.accused
C.disagreed
D.objected
要道还道作业的基本作业程序有()
A、要道、还道
B、确认
C、还道、显示开通