排沙简金 obtain gold by washing it from sand and gravel; choose the best among a host of things; pan gravel for gold; pick gold out of sand; sift sand for gold
Research and manufacture of underwater sand pump for engineering construction 工程施工用排沙潜水泵的研究及制造
Design of flood - releasing energy dissipator and sediment - flushing structure for dachaoshan hydropower station 大朝山水电站泄洪消能及排沙建筑物设计
The deposition of bed load sediment was greatly reduced in the sump by adding a flushing gallery 通过在集水池底设置排沙廊道,较好地解决了推移质泥沙淤积问题。
Bottom hole layout of flood discharing and sediment flushing and application of silicon powder concrete in baishi reservoir 白石水库泄洪排沙底孔布置及硅粉混凝土应用
Static analysis by three - dimensional finite element method for bottom intake of drainage and sediment flushing in baishi reservoir 白石水库泄水排沙底孔三维有限元静力分析
Improvement of flood and waterlogging disasters by sediment flushing and sedimentation reducting in lower reach of weihe and sanmenxia reservoir area 排沙减淤治理渭河下游三门峡库区洪涝灾害
The department took part in the study on the renovation of sanmenxia reservoir , this picture shows sediment sluice from the reservoir 图为三门峡水库枢纽正在泄流排沙,泥沙所参加了三门峡水库改建工程的科研工作。
As for the latter relationship , by fitting in the two phases of time , the function expressions of the sand discharge capacity and tonnage is gained in the end 按时间分为两段进行拟合,最终确定了排沙量与水流量的函数关系。
It is built in the center of minjiang river , which divide waters of minjiang river into two parts as the inner river and the outer river 建在岷江中心,把岷江水一分为二,分别为内江和外江。内江用于引水灌溉,外江作为泄洪排沙。