“bridge maintenance and retrofit”的概念、定义、翻译、参考文献-科学参考

单词	bridge maintenance and retrofit
释义	bridge maintenance and retrofit Encyclopedia 工学桥梁工程释 bridge maintenance and retrofit桥梁维修加固对服役中的桥梁由于长期运营环境、荷载、极端灾害作用造成的结构损伤进行修复，或为满足更高的安全性、使用性要求而提升原有结构强度或刚度性能的加固工作。
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