具有FCB功能机组，（）不会引起MFT动作。
A.送风机或引风机全停
B.炉水泵全停延时超过设定值
C.发电机跳闸
D.燃料信号失去
参考答案：C
With the rapid development of the city, he can hardly find the place __ he used to play with his childhood friends.
A．where
B．when
C．there
D．which
指令M02为程序结束，同时使程序还原(Reset)。（）
