structural reinforcement and transformation

• 加固改造

structural reinforcement and transformation的用法和样例：

例句

1. With the development of transportation of highway ,more and more bridges need reinforcing and alterating.
   随着公路交通运输的发展，越来越多的桥梁需要加固改造。
2. The development of construction structural adhesives for concrete strengthening in China was introduced in the paper.
   综述了混凝土加固改造用建筑结构胶在中国的发展。