油纸电容式套管顶部密封不良,可能导致进水使绝缘击穿,下部密封不良将使套管渗油使油面下降。
参考答案:对
Look! Some of the boys are doing sports, ________ are reading. [ ]
A. other
B. others
C. the other
D. the others
(2005)与十进制数254等值的二进制数是:()
A.11111110
B.11011111
C.11110111
D.11011101