论文部分内容阅读
北京市怀柔县今冬明春计划新发展喷灌1300多hm2，蔬菜滴灌约7hm2；小流域综合治理40km2、水利配套333hm2；中低产田改造400hm2；河道治理16.5km；疏通平原河网100km，修水工建筑物100处；山区老果园更新改造667hm；人畜饮水工程新打岩石井3眼；修复水毁工程10处。计划土石方工
Huairou County, Beijing this winter and next spring plans to develop new sprinkler irrigation 1300 hm2, vegetable drip irrigation about 7hm2; small watershed comprehensive management of 40km2, water facilities supporting 333hm2; middle and low yield fields transformation 400hm2; river governance 16.5km; 100 buildings; renovation of old orchards in mountainous areas 667hm; 3 new rock wells for people and livestock drinking water projects; and 10 water damage repair projects. Plan earthworks