辽宁省共有大小岛屿()个。
A.402
B.506
C.648
D.712
参考答案:B
25. It is only after my father was long gone _____ understand his deep love for me.
A.I could
B.could I
C.that I could
D.when I could
电压互感器(包括测量、保护、计量)二次绕组出口均应装设熔断器或自动开关