最难过滤流速
most penetrant flow velocity
渗流—管流耦合模型
the model of coupled seepage and pipe flow
毛细管流速计
capillary flow rate meter
渗流－管流耦合模型
the model of coupled seepage and pipe flow
seepage-pipe coupling model
seepage and pipe coupling model
地下水流速流向
seepage velocity of groundwater
groundwater velocity and direction
环流流速
circulating current velocity