To make good use of the bridge structure in the transportation network, and to achieve effective management are very important to the bridge maintenance department.

如何充分发挥在役桥梁结构在交通网络中的作用、如何实现有效管理是桥梁养护管理部门十分关心的课题。

youdao

To make good use of the bridge structure in the transportation network, and to achieve effective management are very important to the bridge maintenance department.

如何充分发挥在役桥梁结构在交通网络中的作用、如何实现有效管理是桥梁养护管理部门十分关心的课题。

youdao