曲线后梁模板的操作工艺顺序是什么？
参考答案：
顺序是：基层处理→定位放线→排架搭设→模板安装。
诊断膀胱癌最可靠的方法为（）。
A.B超
B.IVU
C.膀胱镜检及活检
D.膀胱双合诊
E.CT
Egyptian President decided to ______on Friday afternoon after an 18-day campaign against him, ending his thirty-year rule.
A．step down
B．break in
C．break down
D．step in
