overburdens

We have a shortage of skilled technicians but an oversupply of unskilled workers . overburden

我们缺少技术人员，却有过量没技能的工人。vt.使负担过重

A study on relationship between overburden property and direction of influence propagation

覆岩岩性与开采影响传播方向关系的研究

Investigation on characteristics of physical parameters under formation overburden pressure

地层上覆压力下物性参数特征研究

Dynamic numerical simulation of overburden movement and bed - separation development laws

开采覆岩离层发育规律的动态数值仿真分析

In situ detection technology in the overburden failure to monitor the application

原位探测技术在覆岩破坏监测中的应用

The application of back analysis of three-dimensional seepage flow in thick overburden

三维渗流反演分析在深厚覆盖层中的应用

Displacement back analysis of mechanical parameters of mining overburden

采动覆岩力学参数粘弹性位移反分析

Theory and Practice of Ground Pressure on Shaft due to Thick overburden

立井厚表土层地压的理论与实践

Overburden pressure has a strong influence on permeability and pore structure .

上覆地层压力对渗透率及孔隙结构特征影响很大。

The design method for the planetary overburden bit is given in this paper .

给出了行星表土钻头的设计方法；

Temperature Prediction of Excavation Face in Long Tunnel with Thick Overburden

深埋长大隧道施工掌子面温度预测

The Gate Dam Foundation Treatment Investigation of Deep and Thick Overburden

闸坝深厚覆盖层基础处理研究

These mechanics parameters were the base of dynamic simulation of mining overburden .

反演得到的力学参数是覆岩移动动态模拟的基础数据。

High Density Electric Resistance Method Applied to Monitor and Measure Overburden Failure Above Seam

高密度电阻率法观测煤层上覆岩层破坏

Deformation monitoring is usually carried out to road construction in soil overburden area .

在软土地区进行公路施工，一般要进行施工变形监测。

Similar material simulation study on the mining overburden movement law in steep seam

急倾斜煤层开采上覆岩层运动规律模拟研究

Dynamic Analysis of Asphalt Concrete Core Rockfill Dams on Deep Overburden

深覆盖层上沥青混凝土心墙堆石坝动力分析

Test Study on the Space-time Laws of Overburden Separated Layer

覆岩离层分布时空规律的实验研究

Study on recovery of ore-bearing overburden layer formed by caving method

崩落法矿山含矿覆盖层回收研究

Study on the Method for Evaluating Geochemical Anomalies in Shallow Overburden Areas

浅覆盖区化探异常评价方法研究

Curtain Grouting Test Process and Its Results in Thick Overburden

深覆盖层帷幕灌浆试验工艺及效果

Principle and application of the VLF electromagnetic method to determine overburden thickness

甚低频电磁法确定覆盖层厚度的原理及应用

A new method of static and dynamic optimization of drawing cut off grade under overburden

覆岩下放矿截止品位静态与动态优化新方法

Suitability study of diaphragm wall in foundation treatment with thick overburden layer

地下连续墙在深厚覆盖层地基处理中的适宜性研究

Discussions on Geochemistry Anomaly Properties and Discrimination Method in Overburden Area

覆盖区地球化学异常特征及甄别方法探讨

What can be done if the overburden is hard rock ?

如果剥离物是硬岩，怎么办呢？

Experiment study on overburden movement law around hydraulic jet coal mining face with three-dimensional simulation

水采采场上覆岩层运动规律的三维相似模拟试验研究

Observation of overburden failure of coal seam by CT of seismic wave

地震波CT技术探测煤层上覆岩层破坏规律

Simulation study on the percolation stability of shaft foundations at deep overburden

深厚表土层建井的渗透稳定性模型模拟研究

The summarize and estimation of the development on the exploration of overburden failure law

覆岩破坏规律探测技术的发展及评价