铁塔专业考试铁塔专业考试(土建)单项选择题每日一练(2017.10.06)

A.附墙式抱杆
B.斜撑配重式抱杆
C.单配重式抱杆
D.挂RRU配重式抱杆

A.2mm
B.4mm
C.5mm
D.6mm

A.0.5
B.0.6
C.0.7
D.0.8

A.0.6
B.0.7
C.0.8
D.0.9

A.1/100且不大于3mm
B.1/300且不大于3mm
C.1/500且不大于3mm
D.1/1000且不大于3mm