sandy gravel是什么意思

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用法例句

The steel tube piles,rock bolting in sandy gravel construction was analyzed.

本文对砂砾层施工中钢管桩、施工锚杆进行了分析,针对施工中存在的问题进行了探讨,提出了解决问题的措施。

The application of normal-circulation rotator in reveres circulation drilling in sandy gravel stratum;

正循环回转钻机在砂砾层的反循环应用

Reasons analysis of dry shrinkage crack of cement stabilized gravel base course;

水泥稳定砂砾基层干缩裂缝原因浅析

Reinforcing the soft soil base with gravel underlayment;

砂砾垫层加固软土地基实践

A Study on Permeation Grouting in Gravel Layer and Application

砂砾层渗透注浆机理研究与工程应用

formation-to-gravel size ratio

地层砂与砾石粒度比

gravel to sand size ratio

砾石-地层砂粒度比

gravel-to-sand median diameter ratio

砾石-地层砂直径中值比

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

median pack-to-formaton grainsize ratio

充填砾石与地层砂粒度中值比

Reinforcing this layer by grunting mode is introduced.

介绍采用注浆方式来加固砂卵（砾）石层。

THE SANDY CONGLOMERATIC HEAVY OIL RESERVOIR IN BLOCK-2O OF CAOQIAO OIL FIELD AND ITS THERMAL PRODUCTION CHARACTERISTICS

草20块砂砾岩稠油储层及热采特征

layered gravel and charcoal to make a filter.

将砂砾和木炭分层以做成过滤器

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

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

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

2.16 The brief target oil and gas zone are from 2300 to 2500 meters. The formation is:sand, sand-stone, shale cross.

主要目的油气层在2300到2500米，其地层岩性为：砂岩、砂砾岩和泥岩互层。

The Research for Controlling Factors of Glutinite Bodies reservoir in Steep Slope of Rift-Basin

断陷湖盆深层砂砾岩体储层控制因素分析

gravelsand filled perforation tunnel

被砾石与地层砂混合物充填的射孔孔道

Calculation of Bottom Stress of Replacement Sand-Gravel Cushion for Gravity Abutment

重力式桥台换填砂砾垫层底面应力计算

Application of Retarded Acid Acidizing Technology in Thick Glutenite Reservoirs

砂砾岩厚油层缓速酸酸化技术研究与应用

The Characterization of Glutinite Reservoir in Actic Region of Terrestrial Fault Basin;

陆相断陷盆地陡坡带砂砾岩体储层表征