WAIT
参考答案：
待机，至外部输入信号与指定状态相符
蒸汽发生器辅助给水系统设备构成，作用和特性？
Which of the following statements is true according to what you have heard().
A.I will eat lunch very quickly.
B.I will have lunch before the meeting.
C.I will eat lunch at the meeting.
D.I will eat lunch while jogging.
