虽然有些匪徒经由雷雨涵洞排水道逃避了警察围攻，但是据报导更多匪徒已经上了警车被送往拘押。
Although some gangsters escaped the siege via storm-water drains, others are reported to have been ferried out in police cars.
研究结果：通过系统的分析比较，涵洞地基加固处理常用两类方法：一是排水固结法，二是复合地基法。
Research results: Through systematically analyzing and comparing, the general measures of culvert foundation improvement are drainage and consolidation method and complex foundation method.
涵洞，排水的手法，控制灌溉和水资源保护，退出天气面向区域可以用砖石建造。
Culverts, drain approaches and exits, irrigation control and water protection for weather-facing zones can be constructed using masonry.
应用推荐