| 1. | The works that hyder has undertaken cover areas of railways , highways , tunnels , bridges , buildings , geotechnics , environmental science , water supply & sewage treatment , airport and harbors , etc
其工程咨询经验已有150年，从事项目包括铁路、公路、隧道、桥梁、屋宇、岩土、环境科学、供水及污水处理，机场和海港设施等。 |
