覆冰区段,与110kV线路LGJ-240/30导线配合的镀锌绞线最小标称截面不小于:()
A.35mm2
B.50mm2
C.80mm2
D.100mm2
参考答案:C
Eco-tourists want to learn about the world _______ they can make it better, or at least understand
it better.
[ ]
A. as if
B. so that
C. even though
D. now that
变压器用油纸电容型套管的主要组件包括:()
A.电容芯
B.瓷套
C.储油柜
D.均压球