试题与答案

(二) 建筑工程施工安全技术扣件式钢管脚手架的构造中,( )必须用连墙件与建筑物

题型:单项选择题

题目:

(二) 建筑工程施工安全技术

扣件式钢管脚手架的构造中,( )必须用连墙件与建筑物可靠连接。

A.小横杆

B.大横杆

C.扫地杆

D.立杆

答案:

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