[ hànjǐng ] 1.(为积蓄雨水而挖的井) water-retention well 2.(冬季贮菜用的枯井) dry well (used to store vegetables in winter)
Example Sentences:
1.
Study on rainwater catchment technique of well storing rainfall in broken loess plateau in western shanxi province 晋西黄土残塬区旱井集雨技术研究
2.
Terraces on slope land delete the conditions of causing soil and water loss . ponds , cistens , water cellars enhance surface water use efficiency , warping dams can store flood , decrease flood peak , retain sediment , and conserve water 坡地修梯田消除了产生水土流失的条件,蓄水池、旱井、水窑提高了对地表水资源的利用率,淤地坝具有蓄洪水、削洪峰、拦泥沙、涵养水源的作用。
3.
Abstract : in accordance with the problems in the system of well storing rainfall at present , based on the experiments of artificial simulating rainfall , and assistance with the measures of natural rainfall , the relationships among the surface runoff yield , silt concentration , catching runoff efficiency and the material of surface , slope gradient , rainfall intensity are analysed systematically . then , the best slope gradient and material of surface are chosen , in condition of which surface rainfall yield is the largest and silt concentration is the smallest . this is a beneficial study for the practical use of the rainwater catchment plot in furture 文摘:针对当前旱井集雨系统存在的问题,利用人工降雨试验,并辅以天然降雨观测,系统分析了旱井集流区的产流量、含沙率、集流效率与下垫面材料、坡度、降雨强度的关系,进而选出了最优坡度及最优下垫面材料,为今后旱井集流区的应用研究做了有益的探讨。