求翻译：总投资为233.2亿元，项目工期为4年，长株潭城际铁路为双线，新建正线长度97.5公里，桥隧比79%区段最高设计行车速度可达200公里。是什么意思？

正在翻译，请等待...

The total investment is 23,320,000,000 Yuan, the project time limit for a project is 4 years, the long deep pool city border railroad is a double thread, the newly built main line length 97.5 kilometers, the bridge subterranean may amount to 200 kilometers compared to 79% sector highest design drivi

Total investment of 23.32 billion yuan, project duration of 4 years, Changsha-Zhuzhou-Xiangtan intercity railway as a double line, new line length of 97.5 km bridge and tunnel sections than 79% maximum design speeds of up to 200 km h.