搜索结果: 1-1 共查到“水文学 Drainage Channels”相关记录1条 . 查询时间(0.046 秒)
Naturalization of Drainage Channels in Lithuania and Possibilities of Their Maintenance as Water Recipients
Naturalization Drainage Channels Maintenance Water Recipients
2009/10/22
In the process of high expansion of drainage systems and land cultivation, most
natural watercourses in Lithuania were converted into drainage channels. They
were deprived of all natural riparian ve...