因此，进一步加强对桥梁的养护维修、 、加固及技术仍然具有极其重大的意义。

Therefore, further strengthen the maintenance of bridge reinforcement and technology, still has very important significance.

youdao

因此，进一步加强对桥梁的养护维修、 、加固及技术仍然具有极其重大的意义。

Therefore, further strengthen the maintenance of bridge reinforcement and technology, still has very important significance.

youdao