题目柱基础插筋伸出基础外非连接区高度为( )A. Hn/6B. 500mlC. Hn/3D. 50mm柱基础插筋伸出基础外非连接区高度为( )A. Hn/6B. 500mlC. Hn/3D. 50mm题目解答答案C. Hn/3