如图所示,电阻箱的示数为 _________ Ω.
4658
I don't want __________any misunderstanding.[ ]
A. being
B. there being
C. there to be
D. there having been
特高压输电线路的绝缘可以分为哪两类()。
A.导线与杆塔或大地之间的空气间隙
B.绝缘电缆
C.绝缘子
D.绝缘线