链传动安装时对两轮轴线的垂直度度要求较高。
参考答案：错
如果p地址为202.130.191.33，屏蔽码为255.255.255.0，那么网络地址是( )。
A．202.130.0.0
B．202.0.0.0
C．202.130.191.33
D．202.130.191.0
The key to rescuing a man overboard is（）.
A.Good communication
B.A dedicated crew
C.Good equipment
D.Well-conducted drills
