- subsurface waterlogging control
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排渍的英文
例句与用法
- A study on the variation and forecasting models of groundwater level and draining waterlogging in cultivated soil layers in the jianghuai valley
江淮流域地下水位变化规律及预报模型与耕作层排渍模型研究 - Everglades mainly , situate in plain lake area on the middle and downstream reaches in changjiang river basin
要全面规划，统筹兼顾，做好中游平原湖区防汛抗旱、防涝排渍工作，保护湿地，防止土壤潜育化与沼泽化。 - In the topic 1 , utilizing the natural lysimeters and drainage region in wudaogou station , based on expriment and imitation methods , frist the hydrology effect of drainage has been analyzed , and then the index of water logged farm drainage and suitable ground water level have been provided . on the theory of darcy rule and farm hydrodynamics , the standard and pattern and empirical formula of farm drainage system have been presented as well , and provide scientifically foundation for drainage planning
在农田排水技术研究中，利用五道沟实验站地中蒸渗仪和排水试验区，采用试验法和动态模拟法，分析了排水工程的水文效应，提出了农田排渍标准和作物适宜的地下水位埋深，采用达西定律和农田水动力学原理，提出了农田排水系统的规格、布置方式及经验公式，为排水工程规划提供依据。