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导线的三相用黄、绿、红三色标志。哪些杆塔应设有相色标志?

发布日期:2022-04-26 点击率:221

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导线的三相用黄、绿、红三色标志。哪些杆塔应设有相色标志?
(1)每条线的出口杆塔。
(2)分枝杆。
(3)转角杆。

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