您要查找的是不是:
- drainage and irrigation work 排灌工程
- If small drainage and irrigation, spray, threshing, ginning, Milling, milling, feed, and so crushed. 如小型排灌、喷雾、脱粒、轧花,碾米、磨粉、饲料粉碎等。
- The rainy season is coming. It's a matter of great urgency to repair the drainage and irrigation equipment. 雨季就要到了, 修理排灌设备是急如星火的任务。
- The man-made ditches drive mainly at the artificial channels that excavated for drainage and irrigation. 人工沟渠是指以排水和灌溉为主要目的的人工挖掘的水道。
- Pump Drainage and Irrigation Engineering 机电排灌工程
- ISO14000 ADN DRAINAGE AND IRRIGATION INDUSTRY ISO14000与排灌机械行业
- vertical drainage and irrigation 垂直排灌
- The Reclamation Act of 1902 provided for the use of receipts from land sales in the arid states to finance the construction of reservoirs and irrigation works. 1902年的垦荒法规定,用土壤贫瘠地带的各州出售土地的款项为建造水库和灌溉工程提供资金。
- drainage and irrigation equipment 排灌设备
- horizontal drainage and irrigation 水平排灌
- complete a drainage and irrigation network 使排灌设备成龙配套
- The stress state of radial sluice gate pier in hydroelectric and irrigation works is very complicated.The stress in some position far exceed the limit tensile stress of concrete. 摘要水利水电工程中广泛采用的弧形泄水闸墩应力状况复杂,某些部位拉应力远超过混凝土受拉极限。
- drainage and irrigation engineering 排灌工程
- Electro-mechanical drainage and irrigation project 机电排灌工程
- THE WORK CONDITION ANALYSIS AND THE COUNTERMEASURES OF THE MOTORS OF THE POWER DRAINAGE AND IRRIGATION STATION IN RURAL IN LOW PRESSURE 农村电力排灌站电动机在低电压下运行的情况分析及解决办法
- Small and medium-sized irrigation works spread all over the country. 全国中小型水利工程星罗棋布。
- But even the mosquito has been subdued by attention to drainage and by chemical sprays. 但甚至蚊子也由于我们注意排水和化学喷雾而已被抑制住了。
- Water conservancy and irrigation works 水利工程建设
- Rivers and lakes provide us with water transport and irrigation. 江河湖泽给我们以舟楫和灌溉之利。
- Hand-over and Operate the Sige Drainage and Irrigation Station in Hangzhou 杭州市四格排灌站运行管理的接管工作探讨