1.
High-pressure rotary jet-grouting for anti-seepage in sand-gravel strata
高压旋喷灌浆防渗技术在砂砾石地层中的应用
2.
USE ADVANCE ROOFBOLT SHOT CYCLING TECHNIQUE FOR OVERCOMING TECHNICALLY DIFFICULT PROBLEMS OF TUNNEL PORTAL CONSTRUCTION IN SANDY GRAVEL
利用超前锚杆短循环法解决在砂砾石地层中隧洞挂口的技术难题
3.
formation-to-gravel size ratio
地层砂与砾石粒度比
4.
gravel to sand size ratio
砾石-地层砂粒度比
5.
gravel-to-sand median diameter ratio
砾石-地层砂直径中值比
6.
median pack-to-formaton grainsize ratio
充填砾石与地层砂粒度中值比
7.
gravelsand filled perforation tunnel
被砾石与地层砂混合物充填的射孔孔道
8.
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
9.
Application of gunite pile technique to layer of coarse and gravelly sand
喷浆桩技术在粗砂砾砂地层中的应用
10.
Reinforcing this layer by grunting mode is introduced.
介绍采用注浆方式来加固砂卵（砾）石层。
11.
Construction Technology of Curtain Grouting of Deep Gravel Layer
深厚砂砾石层防渗帷幕灌浆施工技术
12.
Study on the Influence of Sand and Gravel Cushion on Seismic Response for the Tall Buildings;
铺设砂砾石垫层对烟囱类高耸结构地震反应影响的研究
13.
"Clay, silt, sand, and gravel. "
粘土，粉砂，砂土和砾石。
14.
Subdivision delamination method of glutinite bodies in gypsum-salt bed of rift-basin
断陷盆地深层膏盐层系砂砾岩体细分层方法
15.
Study on Simulation Grouting Experiment in Gravel & Mechanism of Permeating Grouting;
砂卵（砾）石层模拟注浆试验及渗透注浆机理研究
16.
Study and Test on Engineering Properties of Sand-gravel Cushion;
砂砾石碾压垫层的工程性能试验与研究
17.
Experimental Investigation on the Grouting and Analysis on Seepage Calculation in Sand Stratum and Gravel Bed;
砂砾石层灌浆试验研究及渗流计算分析
18.
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