某变电站的10kV经消弧线圈接地系统，对于其10kV母线应安装( )

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问题单项选择题

某变电站的10kV经消弧线圈接地系统，对于其10kV母线应安装( )电压表。

A．只测母线线电压一只
B．只测母线线电压三只
C．测母线线电压一只和测相电压三只或经切换开关测相电压一只
D．只测母线相电压三只

答案

参考答案：C

选择题

My grandfather walks _____ than my grandmother.

A．more faster

B．much faster

C．very faster

D．too fast

选择题

_______ English has changed a lot over time and _______ English spoken between about AD 450 and 1150 was quite different.

A．/; the

B．/; /

C．The; /

D．The; the