1) water-bearing sandy ground
含水砂层
1.
Review of research on instability failure mechanism and stability control of tunnel surrounding rock in water-bearing sandy ground
含水砂层隧道围岩失稳破坏机制及控制研究现状综述
2) granule gravel aquifer
砂砾含水层
1.
2 winning district will not be impacted by upper granule gravel aquifer and the Shengli River alluvial gully at west of Yannan coalmine railway culvert will not be impacted by North No.
在全面分析大雁矿业集团公司雁南煤矿北二采区的水文地质条件及煤层开采矿井充水因素的基础上,计算了开采271号煤层时导水裂隙带发育高度,得出了北二采区各煤层工作面开采即不会受到上部砂砾含水层的影响,雁南煤矿铁路涵洞以西的胜利河冲击沟也不会受到北二采区的采动塌陷影响的结论。
3) basal conglomerate aquifer
底砂含水层
4) sand strata of aquifer
含水砂土层
5) Water-bearing sandstone layer
含水砂岩层
补充资料：砂砾
1.细碎的小石子。
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