1. 淹灌：盆地 basin | 淹灌 basin irrigation | 流域周长;流域周界 basin perimeter
2. 硫灌溉：basin area 硫面积 | basin irrigation 硫灌溉 | basket 篮
3. 漫灌：basin 盆地 | basin irrigation 漫灌 | basin karst 盆地喀斯特
4. 围坑灌：border irrigation 畦灌 | basin irrigation 围坑灌 | sprinkling irrigation 喷灌