单项选择题
A.拉杆 B.锚固 C.转动 D.位控
A.48h B.36h C.12h D.24h
A.箱梁混凝土收缩徐变 B.箱梁的截面尺寸 C.箱梁混凝土弹性变形 D.气温影响
A.0.6~0.8,1/9~1/15 B.0.6~0.8,1/8~1/10 C.0.5~0.6,1/9~1/15 D.0.5~0.6,1/8~1/10
微信扫一扫,加关注免费搜题