206WP型、206KP型两种转向架固定轴距为()。
A.1750mm
B.1850mm
C.2000mm
D.2400mm
参考答案:D
Max could smell the rain coming.And it did.Suddenly the lightning flashed through the
clouds, nearly ______ him.
A.to blind
B.blinded
C.blinding
D.having blinded
如果现场iu-cs口是ATM方式组网,为了验证和CN的VPI,VCI是否协商正确,我们应该启动信令跟踪的哪项来检查()
A.MTP3B
B.SCCP
C.SAAL
D.SCTP