【单选题】. He is one of those who ______ very hard.
【简答题】桥梁三阶段设计是初步设计、( )和 施工图设计。
【简答题】桥梁的三阶段设计是____ 、____和____。
【单选题】Last year, Apple showed people its iPad 4.It is loaded with (128 gigabytes of memory) and has a 9.7-inch touch screen, and I think pretty soon I won’t be able to live without it.
【简答题】某三跨预应力混凝土连续刚构桥,跨度为90m+155m+90m,箱梁宽14m,底板宽7m,箱梁高度由根部的8.5m渐变到跨中的3.5m,根据设计要求,0#、1#块混凝土为托架浇筑,然后拼装挂篮,用悬臂浇筑法对称施工,挂篮采用自锚式桁架结构。施工单位根据该桥的特点,制定了详细的施工流程,其中对箱梁悬臂浇筑阶段的主要施工工序如下:
1.在两主墩的两侧安装托架并预压,架立模板、绑扎0#、1#块钢筋,浇筑...
【简答题】以太信道将( )~( )条链路捆绑为一组逻辑链路。(提示:填写数值)