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[填空题]
根据≤建筑施工碗扣式钢管脚手架安全技术规范≥(JGJ166-2008)规定,满堂支撑架允许搭设高度不宜超过()米。
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A.1.2m
B.1.5m
C.1.8m
D.2m
A.1.2m
B.1.5m
C.1.8m
D.2m
A.1.2m
B.1.5m
C.1.8m
D.2m
A.200mm
B.250mm
C.300mm
D.350mm
A.2mm
B.2.5mm
C.3mm
D.3.5mm
A.6m
B.7m
C.8m
D.9m
A.6m
B.7m
C.8m
D.9m
A.40%
B.50%
C.70%
D.80%