1.
Optimal Analysis of Construction Schemes for Datong Dongzhouyao Main Slope Mine in Gravel Strata of Aquifer
大同东周窑矿主斜井过含水砂砾层施工方案优化分析
2.
An underground bed or layer of earth, gravel, or porous stone that yields water.
地下蓄水层，砂石含水层含有水的泥、砂砾或多孔石的地下河床或地层
3.
Water well construction using directional circulation drilling technology in sandy gravel aquifer
砂砾含水中正循环钻进水井施工初探
4.
Analysis of the cement stabilization grit base course crack and prevention
水泥稳定砂砾基层的裂缝分析与防治
5.
The foundation of the dam for Dalong reservoir consists of the layer of medium-coarse sand with gravel, so it is difficult to be penetrated even by the high-power vibrator.
大隆水库大坝坝基为含卵砾中粗砂层，即使大功率振冲器也难以贯入。
6.
Water Controlled Coal Mining Technology Under Cracking Strata of Super Thick Gravel Layer with High Pressurized Water
高水压巨厚砂砾层裂隙岩体下控水采煤技术
7.
Study on Anti-cracking Property of Multi-stabilized Gravel Base;
水泥综合稳定砂砾基层材料抗裂性能研究
8.
Successful application of horizontal directional drilling to pipe-laying construction through sand gravel strata
水平定向钻进技术在砂卵砾石层中的成功应用
9.
Analysis And Prevention Method Of Cement Stability Gravel Crack In Road Base Course
路面基层水稳砂砾裂缝分析及防治办法
10.
Experimental Engineering of Cement-stabilized Gravel Base of Kuitun-Sayram Highway
奎赛公路水泥稳定砂砾基层试验工程研究
11.
The research on the content of fly ash on cement fly ash stabilized road base
水泥粉煤灰稳定砂砾基层的粉煤灰掺量研究
12.
Probe into the Construction Method of Inclined Shaft on Sand and Gravel Aquifer in Surface Soil Section
表土段沙砾含水层斜井施工方法探索
13.
formation-to-gravel size ratio
地层砂与砾石粒度比
14.
gravel to sand size ratio
砾石-地层砂粒度比
15.
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
16.
Microscopic Features and Oiliness Evaluation of Glutenite Reservoir in Deep Zone of Yanjia Area
盐家地区深层砂砾岩体储层微观特征与含油气性评价
17.
Discussion on Hydraulic Sand Fracturing Technique in Low Porous, Low Permeable Sand Reservoirs of Carboniferous System in Tahe Oilfield
塔河油田石炭系低孔低渗砂砾岩储层水力加砂压裂技术探讨
18.
Study on Four Property Relations of CⅢ Oil Group in Gravel-bearing Sandstone Reservoirs of Tazhong-4 Oilfield
塔中4油田CⅢ油组含砾砂岩段储层四性关系研究