整流型距离保护的负序电流元件，是测量元件的闭锁元件。
参考答案：对
一次函数y= -3x+6中，y的值随x值增大而 。
I will __________ Jane today, as she can’t come to the meeting herself.
A．take place
B．take place of
C．take the place
D．take the place of
