通信传输考试架空光(电)缆通信杆路工程设计规范单项选择题每日一练(2018.12.30)

A.15°
B.30°
C.45°
D.60°

A.300mm
B.500mm
C.700mm
D.1000mm

A.木围桩
B.石笼
C.挡水桩
D.接杆

A.7/2.0mm
B.7/2.2mm
C.7/2.6mm
D.7/3.0mm

A.1
B.2
C.3
D.4