问题
多项选择题
下列关于临边防护栏杆的规定，哪些是正确的？（）
A.防护栏杆应由上、下两道横杆及栏杆柱组成
B.上杆离地高度为1.5~1.8m
C.下杆离地高度为0.5~0.6m
D.上杆离地高度为1.0~1.2m
E.下杆离地高度为0.6~0.8m
答案
参考答案：A, C, D
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下列关于临边防护栏杆的规定，哪些是正确的？（）
A.防护栏杆应由上、下两道横杆及栏杆柱组成
B.上杆离地高度为1.5~1.8m
C.下杆离地高度为0.5~0.6m
D.上杆离地高度为1.0~1.2m
E.下杆离地高度为0.6~0.8m
参考答案：A, C, D
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