单词drivage
网络: 掘进；巷道掘进
The sizes of cross-section are related to the drivage costs, maintenance costs and ventilation electric costs.
井巷断面大小直接关系到掘进费、维护费和通风电费。
The cut way and hole parameters affect the drivage efficiency and cost.
掏槽方式及布孔参数影响着掘进效率和成本。
At present, in the building of new shaft, rock drivage takes 40%-50% of whole project, and the construction takes 35%-50%.
目前，在新井建设中，岩巷掘进工程量一般约占总工程量的40%~50%，施工工期占35%~50%。
Therefore, increasing the rock drivage speed has the most inportant meaning to accelerate the shaft building.
因此，提高岩巷掘进速度，对加速煤矿建设有非常重要的意义。
But in the mass, rock drivage in our country is slow and inefficient, which affects the properly conjoining of coal production.
但我国岩巷掘进整体上表现为速度慢、工效低，影响了煤炭生产的合理接续。
Study of Distribution of Electromagnetic Radiation of Coal or Rock Before Drivage Face
掘进工作面前方电磁辐射分布规律研究
Study on Drainage-drivage Combined Technique in Tunneling Face of "Three-soft" and High Gassy Coal Seam with Outburst Hazard
“三软”煤层高突掘进面边掘边抽技术研究
This article analyzed that the technique of smooth blasting applies in the roadway drivage with the result and function;
本文分析了光面爆破技术在井巷掘进中应用的结果和作用；
Practice and Innovation of Series Safety Equipment for "One-ventilation and Three-prevention" in Drivage
掘进“一通三防”安全系列化装备实践创新与效果
Practice and Application of Drainage-drivage Combined Technique in High Gassy Coal Seam with Outburst Hazard
边抽边掘技术在高瓦斯突出危险煤层掘进中的实践与应用