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机井填含比 ,是机井填砾颗粒直径与含水层岩质颗粒直径的比值。在农用机井建设过程中 ,这一指标对机井的涌水量和使用寿命起着很关健的作用。菏泽地区 1998年确定了机井建设 3年规划。为了更好指导机井建设 ,提高新建机井质量 ,该区农水科对 1997年底机井普查资料进行了综合分
Well filling ratio is the ratio of the diameter of wellbore gravel particles to the diameter of aquifer rock particles. In the construction of agricultural wells, this indicator on the well water inflow and life plays a very important role. Heze area in 1998 to determine the well construction 3-year plan. In order to better guide the construction of wells and improve the quality of new wells, the Division of Agriculture and Water Resources in 1997 at the end of the well census data were integrated