胸骨左缘2~3肋间连续性机器样杂音( )
A.动脉导管未闭B.室间隔缺损C.肺动脉狭窄D.房间隔缺损E.法洛四联症
参考答案:A
With Father's Day around the corner, I have taken some money out of the bank ________ presents for
my dad.[ ]
A.buy
B.to buy
C.buying
D.to have bought
重启基站发现基站只能到configered状态,到不了onair状态并且ping不通MME,可能的原因为()
A.RRU未上电
B.FBBA板子坏掉
C.基站到核心网的传输不通
D.光纤连线未接好