下面属于中国电信的业务或产品有()。
A.宽乐通信
B.天翼LIVE
C.互联星空
D.天翼宽带
参考答案:A, B, C, D
If only I had got up a little earlier this morning! I the bus by only a minute and waited half an hour for another.
A.was missed
B.have missed
C.miss
D.missed
15KV以上的互感器的主绝缘结构为()。
A、干式;
B、油浸式。