单项选择题
A.15D B.同墙厚扣减保护层并弯钩钩住暗柱对边柱纵筋 C.10D D.≥150mm
A.梅花布置 B.隔一布一布置 C.双层双向 D.xy方向布置
A.1167mm B.700mm C.850mm D.1294mm