低压架空线路常用绝缘子有（）.
A.针式绝缘子
B.蝶式绝缘子
C.拉线式绝缘子
D.悬式绝缘子
参考答案：A, B, C, D
I’m told that the job is open to everyone ____ their previous experience. So it’s a chance for a green hand like you.
A．apart from
B．due to
C．in case of
D．in spite of
