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- shaft irrigation and drainage 竖井排灌
- Branch canals and ditches were dug to form a system of irrigation and drainage. 挖了一些支渠,形成了一个排灌系统。
- shaft well irrigation and drainage 竖井灌排
- We acquired125000 h.p. of new pumps and other irrigation and drainage equipment. 我们得到期12。5万马力的新电泵和其他排队灌设备。
- ANCID is the Australian representative body of the International Commission on Irrigation and Drainage. 描述:澳大利亚国家灌溉与排水委员会是国际灌溉与排水委员会的澳大利亚代表部门。
- The paper explains even the environmental evaluation content of reservoir dam, flood control project, irrigation and drainage project. 文章还对水库大坝、防洪和灌排等类水利项目的环境评价的内容进行了概述。
- Irrigation and drainage engineering can be built for agriculture needs which included irrigation projects, drainage works and their appurtenances. 道路工程是满足整理区生产和生活需要而建设的田间道路、生产路以及相配套的农桥等工程系统。
- The optimized and restructuring course content included foundation theory of irrigation and drainage, irrigation engineering and drainage engineering. 优化和重构后的教学内容主要由灌排基础、灌溉工程和排水工程三部分组成。
- Irrigation and drainage operation for chronic subdural hematoma by neuroendoscopy through drill approach were performed in 38 patients. 采用神经内镜辅助下钻孔冲洗引流术治疗慢性硬膜下血肿38例。
- Establish mechanism of lead plane salesroom, irrigation and drainage salesroom, procrastinate inside fittings salesroom, rubber products salesroom. 设立主机门市部、排灌机械门市部、拖内配件门市部、胶制品门市部。
- All appliances connected with the irrigation and drainage system, cart paths, yardage markers and lightening conductors are immovable obstructions. 灌溉及排水系统设施,球车小径,距离标志和避雷设施均属于不可移动障碍物。
- Type axial-flow pumps are suitable for agricultural irrigation and drainage or suitable for circulating water supply for power plant, changing the water level of dock. 型轴流泵适用于农田排灌,电厂输送循环水、船坞升降水位。
- Allen R G, Pereira L S, Raes D, Smith M.Crop evapotranspiration Guidelines for computing crop water requirements [M].FAO Irrigation and Drainage 1998, 56. 康绍忠;刘晓明;熊运章.;土壤-植物-大气连续体水分传输理论及其应用[M]
- Rhoades, J.D., Kandiah, A. and Mashali, A.M., 1992, The Use of Saline waters for Crop Production: FAO Irrigation and Drainage Paper 48, FAO of the United Nations Rome. 台湾省水利局,1995,环境变迁对灌溉用水量影响之调查与研究,彰化农田水利会成果报告。
- Pierre-Olivier Malaterre.David C.Rogers.Jan Schuunnans.Classifica tion of canal control algor.thms,Journal of Irrigation and drainage en gineering,January/February.1998. 王长德.;灌溉渠道水力自动控制闸门的运行稳定问题
- Changing irrigation practices can improve water efficiency by 30%, says Chandra Madramootoo, of the International Commission on Irrigation and Drainage. 国际灌排委员会主席曼德拉穆图说,改变灌溉方式,可以将用水效率提高30%25。
- With a big flow rate, it is suitable for the use of plain river network area and hilly irrigation and drainage, piscina water supply and drainage industrial water supply and drainage. 本产品流量大,适用于平原河网地区和丘陵灌区,特别适用于农田排灌、鱼塘供排水及工业供排水。
- Article 35 People's governments at all levels shall adopt measures to maintain and protect irrigation and drainage facilities, ameliorate the soil to raise fertility and prevent desertification, salinization, water loss and soil erosion and pollution. 第三十五条 各级人民政府应当采取措施,维护排灌工程设施,改良土壤,提高地力,防止土地荒漠化、盐渍化、水土流失和污染土地。
- People's governments at all levels shall adopt measures to maintain and protect irrigation and drainage facilities,ameliorate the soil to raise fertility and prevent desertification,salinization,water loss and soil erosion and pollution. 各级人民政府应当采取措施,维护排灌工程设施,改良土壤,提高地力,防止土地荒漠化、盐渍化、水土流失和污染土地。
- The loan is repayable over30 years and will be used to build an irrigation and drainage system in a5,000 hectare cotton plantation in the province of Kwanza Sul, a government spokesperson said. 政府发言人说,贷款期限为30年,将用于南宽扎省5000公顷棉花园灌溉和排水系统的建设。