题目内容
(请给出正确答案)
[单选题]
碗扣式模板支撑架立杆顶端可调托撑伸出顶层水平杆的悬臂长度为()。
A.200mm
B.500mm
C.650mm
D.700mm
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A.200mm
B.500mm
C.650mm
D.700mm
A.500mm
B.550mm
C.600mm
D.650mm
A.200mm
B.250mm
C.300mm
D.350mm
A.650,400
B.550,400
C.650,300
D.550,300
A.2mm
B.2.5mm
C.3mm
D.3.5mm
A.300mm
B.350mm
C.600mm
D.650mm
A.50
B.100
C.150
A.6m
B.8m
C.10m
D.12m