110kV电压等级设备不停电时的安全距离为( )m。
A.1.40
B.1.50
C.1.30
参考答案:B
.—Why don't we go to the new Sichuan restaurant for a meal?
—_______.
A.Great! I've been expecting that
B.Sorry, but I forgot it
C.No, I won't go for it
D.It's not my pleasure
为什么要调节送风量?如何调节?