extracting level

Elementary analysis of the mining equipment level of China's gold mines underground;

我国地下黄金矿山采掘装备水平浅析

Rational mineable periods of three coal reserves are effective indexes for controllingthe balance of preparation and winning work.

“三量”合理可采期是宏观控制采掘平衡的有效指标。

(6) having an actually measured surface and underground engineering comparison drawing, a mining and excavation plan and a ventilation system drawing;

（六）有实测的井上、井下工程对照图、采掘工程平面图、通风系统图；

The Dynamic Managed CAD System Model of the Plan on the Colliery Excavate Engineering

煤矿采掘工程平面图动态管理CAD系统模型构造

Study on the Dynamic Management System of Excavation Engineering Plans in Colliery

煤矿采掘工程平面图动态管理CAD系统研究

synthetic plan of striping and mining

采剥工程综合平面图

Excavation Engineering Charts and Management of Mineral Resources;

采掘工程图件与矿产资源管理的关系

Design on Fully Service Period Dynamic Management System of Mining and Excavation Engineering Drawing and Document

采掘工程图件全寿命周期动态管理系统设计

Analyving the drivage capacity wholely and seeking for hanlance of mining and olrivage relation;

全面分析掘进能力 谋求采掘关系平衡

The miners worked at the face for 5hours.

矿工在采掘面上工作了5小时。

The miners worked at the face eight hours a day.

矿工们在采掘面上每天工作八小时。

The miner work at the face eight hour a day

矿工们在采掘面上每天工作八小时

Analysis of AutoCAD Architectural Engineering Design Plan;

AutoCAD建筑设计工程平面图分析

Technology of Supporting Super High Roadway in Large-height Mining Face

大采高工作面超高巷道掘进支护技术

Grub Project Superseding Intelligent Illation and Graphical Presentation Study;

掘进工程接替智能推理与图形化研究

The Application of Text Mining to Engineering Drawing;

文本数据挖掘在工程图文档中的应用

On Fire Precaution Called Downwards Ventilation Used in the Combined Coal Face;

沿空掘巷综采工作面下行通风防灭火预防

Applying Continuous Mining Machine to Driving Mining Roadways in Fault Broken Zone

应用连采机在断层破碎带中掘进工作面巷道

Research on Amount of Gas Emission Prediction Software of Working Face Based on VC++

基于VC++的采掘工作面瓦斯涌出量预测软件研究

Application of Loosening Roadway Sides and Pressure Relief with Wind-coal Drill in Roadway of Excavation Face

风煤钻松帮卸压在采掘工作面巷道中的应用