stage of concrete operation的意思|示意

The influence of concrete creep on bridge structure under the construction and operation stage for prestressed concrete continuous rigid frame bridge and cable-stayed bridge is also analyzed.

本文还针对预应力混凝土连续刚构桥和斜拉桥，分析计算了其在施工和运营阶段，混凝士徐变对桥梁结构的影响。

At the stage of creative materialization it stated the function of the "heart" from the arrangement of luscious literature and literary forms and the concrete operation techniques.

在创作物化阶段，从采与体的设定和具体的操作技巧来谈“心”的作用。