一阶环节输出变量的传递函数式()。
A、A
B、B
C、C
D、D
参考答案:C
—Tickets, please! May I see your ticket, madam?
— [ ]
A. I have no ticket.
B. What did you say?
C. Sure. Here it is.
D. No, you mustn't.
工作完毕时,必须将所有控制器手柄转到(),电源开关拉下,锁好门。紧急情况下应先切断操作台上的控制电源,使整机停止操作,所有操作按钮全部回零位,处理完毕后重新启动。