如图<img alt="/upload/photos/20190626/b66657fb3d844706b84d06be221e2bab.jpg" src="/upload/photos/20190626/b66657fb3d844706b84d06be221e2bab.jpg" />所示为架空线路拉线结构示意图,其图中2表示的金具名称是(____)。
A.延长环 B.楔形线夹 C.拉线棒 D.UT线夹正确答案A
如图<img alt="/upload/photos/20190626/b66657fb3d844706b84d06be221e2bab.jpg" src="/upload/photos/20190626/b66657fb3d844706b84d06be221e2bab.jpg" />所示为架空线路拉线结构示意图,其图中2表示的金具名称是(____)。
A.延长环 B.楔形线夹 C.拉线棒 D.UT线夹正确答案A