您要查找的是不是：
- Optimization Technology of the Well Irrigation Project of Irrigated Area in. 宁夏银北灌区工程优化配套技术。
- Study on Well Irrigation Efficiency of Irrigated Area 灌区井灌效率研究
- well irrigation area 井灌区
- The effective irrigation area is 72.74 million mu. 农业有效灌溉面积479万公顷。
- Optimization Technology of the Well Irrigation Project of Irrigated Area in North of Yinchuan, Ningxia 宁夏银北灌区井灌工程优化配套技术
- Soil moisture dynamic characteristics in well irrigation areas in Beijing Plain with comparatively deep ground water tables 地下水埋深较大条件下井灌区土壤水分动态变化特征
- Effects of summer fallow in Guanzhong irrigation area. 关中灌区夏季休闲效果评价。
- Present Conditions and Thinking of Canal Lining in Luohuiqu Irrigation Area. 洛惠渠灌区渠道衬砌现状与思考。
- Ditch rider; waterman Person responsible for supervising an irrigation area. 灌区管理员负责监管灌区的人员。
- Water drafted from the well irrigates the field. 从井中抽出来的水用于灌溉田地。
- The irrigated area amount to 20000 ha. 灌溉面积共达二万公顷。
- the area of well irrigation rice 井灌稻区
- Application and Analysis of Seepage Control Technique with Vertically Paving Membrane in Qingtongxia Irrigation Area. 垂直铺膜防渗技术在青铜峡灌区的试用及分析。
- Study on Lining Technique of Seepage Control of Canal in Caodian Irrigation Area. 曹店灌区渠道防渗衬砌技术研究。
- Machine well irrigational area in the Southwest of Leizhou peninsular: spreading the water-saving mode of “focusing on low-pressure pipes + on-field water- saving method + planting with proper water”; 雷州半岛西南部机井灌区：推广“以低压管道为主+田间节水措施+适水种植”的节水模式 ；水稻农田区：推广“沟灌浸润”节水高效灌溉新模式。
- Dry mountain climate, with the size of the artificial water channel 6, the effective irrigation area of 2398 mu. 山下气候干燥，有大小人工引水渠道6条，有效灌溉面积2398亩。
- The larger irrigation area and potash fertilizer input per unit has,the higher soil salinization probability will be. 同时单位面积上钾肥使用量越高，耕地发生盐渍化的概率也越高。
- The existing motor-pumped 4670, irrigated area of over 98%. 现有机井4670眼，水浇地面积达98%25以上。
- This paper makes the calculation of diving pump hold power steel beem for rebuilding the head of channel pump station at Da ang Irrigation Area. 对大昂灌区渠首泵站换泵更新改造进行了潜水泵持力钢梁验算,结果表明,该泵站换泵更新改造方案是可行的。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
