half permanent steel bridge
常见例句
- Based on the standard of correlation experimentation technique and some experimental investigations, a practical test of static and dynamic for Half Permanent Steel Bridge is accomplishment.
本论文即是参照国内相关试验技术标准和已有的实验测试的基础上进行的半永久性钢桥的静动特性测试实践。 返回 half permanent steel bridge