求翻译：城市道路工程；公共广场工程；2万吨日及以下给水厂；1万吨日及以下污水处理工程；1立方米秒及以下给水、污水站；5立方米秒及以下雨水站；各类给排水管道工程；各类城市生活垃圾处理工程是什么意思？

Urban road engineering; public square project, 20,000 tons per day and the following water supply plant; 10,000 tons and below sewage treatment works; 1 cubic second and the following water supply, sewage station; and below 5 cubic second rain stations; all kinds of water supply and drainage piping project; various types of municipal solid waste treatment project