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[单选题]
根据《±660kV架空送电线路导线张力架线施工工艺导则》,安装附件使用的提线挂钩应包胶。提线钩与导线的接触长度应不小于()倍的导线直径。
A.2
B.2.5
C.4
D.10
查看答案
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A.2
B.2.5
C.4
D.10
A.25°
B.30°
C.35°
D.40°
A.40m/min
B.50m/min
C.60m/min
D.70m/min
A.一个
B.两个
C.三个
D.四个
A.40m/min
B.50m/min
C.60m/min
D.70m/min
A.2d
B.3d
C.5d
D.6d