1) pore-space water in river valley alluvial plain gravel bed
河谷冲积平原砂砾石层孔隙水
2) pore-space water in dendritic valley gravel bed
枝状沟谷砂砾石层孔隙水
3) alluvial grit gravel
冲积砂砾层
1.
In this placer,the grain size of the diamonds which occurs in a alluvial grit gravel of residual two-tarraces are large and more gem diamonds can be selected out.
郯城金刚石砂矿属冲积层产状被破坏的阶地砂矿，金刚石产在残余二阶地冲积砂砾层中，金刚石颗粒大，宝石级金刚石较多，是宝石工业的重要原料基地。
4) alluvium and diluvium groundwater of rivervale
河谷冲洪积层地下水
1.
The physical geography environment,the forming and distributing of the water resource in Ali area of Tibet are analyzed,basing on the difference of the groundwater resource forming environment,the water circulation system can be divided into alluvium and diluvium groundwater of rivervale in south and flows-in lake basin groundwater in north.
分析了西藏阿里地区自然地理环境、水资源形成和分布及其利用状况,基于区内地下水资源形成环境条件的差异,本区地下水资源体系可分为南部河谷冲洪积层地下水系统和北部内流湖盆地下水系统。
5) sand and gravel aquifer
砂砾石含水层
1.
A new kind of testing method being used to determine compressive values of a sand and gravel aquifer buried greatly and having a high confined water head is presented.
介绍了一种新的确定大埋深、高承压砂砾石含水层失水压缩量的方法。
6) gravel pervious layer
砂砾石透水层
补充资料：石层
1.重叠的石头;石级。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条