压缩机的排气量
参考答案：
在压缩机的排气端测出单位时间内排出气体容积值，并换算成标准状态下的数值，称为压缩机的排气量。
I noticed them the teachers' office just now. [ ]
A. went into
B. go into
C. was going into
D. came out of
开始继电器电路中，进路无道岔转换时，利用始端（）后接点，FKJ的前接点接通KJ励磁电路。
A.LKJ
B.KJ
C.JXJ
D.XJJ
