1) 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。
2) gravel strata of aquifer
含水砂砾层
1.
The article introduces optimal analysis of construction schemes for Tongfa Dong-zhou-yao main slope mine in gravel strata of aquifer.
本文介绍了大同东周窑煤矿主斜井穿越含水砂砾层施工方案的优化、降水井的布置以及穿越砂砾层的施工方法,确保了施工安全、施工进度和施工质量。
3) sandy conglomerate aquifer
砂砾岩含水层
1.
Analyzed the geological and hydrogeological conditions,covering rock structural types,predicted height of water conducted zone caused by fully mechanized caving method,defined safety pillar setting principle under the Luohe sandy conglomerate aquifer.
通过对彬长矿区其地质条件、水文地质条件、覆岩结构类型的分析、以及综放开采覆岩破坏导水裂隙带高度的预计,确定了洛河砂砾岩含水层下防水煤岩柱留设的原则,通过对保护水资源重要性与采煤条件的分析,指出了在洛河砂砾岩含水层下采煤是目前彬长矿区在理论上和技术上亟待解决的突出难题之一。
4) 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。
5) great deep sand and gravel aquifer
巨厚砂砾含水层
6) conglomeratic sand
含砾砂层
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