Due to its uncontinuity of operation, its tunneling efficiency is greatly influenced.

由于其作业的不连续性, 影响了其掘进效率的发挥.

互联网

This Paper introduces a new tunneling feeding installation, principle and using result.

介绍了一种新型的掘进巷道装抖设备以及它的工作原理、使用效果.

互联网

Roadway heading is the forerunner for clearly knowing coal bed geological conditions.

掘进巷道是全面、准确了解矿井煤层地质条件的先导.

互联网

The roadway excavation and supporting are crucial techniques in mining engineering.

巷道掘进与支护是采矿工程的技术关键.

互联网

Technology and experience on digging speedily are expatiated in this article.

本文详细阐述了用该机快速掘进的技术及经验.

互联网

Coal lane driving includes complex driving and blasting driving.

煤巷快速掘进有综掘和炮掘两种方法.

互联网

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.

互联网

The rapid construction practice and experience of driving, arching and lining etc.

介绍了福宁高速公路洋坪隧道工程掘进 、 喷锚、衬砌等工序的快速施工实践经验.

互联网

A QianSheng, a horizontal resolution, Two steps, the two deputy colter.

一条纤绳, 一条横下的决心; 两只脚板, 两副掘进的犁铧.

互联网

The steam - shovel burrowed into the soft ground.

蒸汽铲掘进软土里.

互联网

The paper intrtroduced some partial ventilation management methods at driving face in coal tunnel.

介绍了煤巷掘进工作面局部通风管理方法及管理经验.

互联网

This paper introduces the application about anchor cable jetting combined supporting in broken soft rock drift.

重点介绍了锚索喷注联合支护在碎胀软岩巷道掘进中的应用.

互联网

Advancing hole is one of local prevent outburst measure coal road heading face coal - and - gas outburst mine.

超前钻孔是煤与瓦斯突出矿井中煤巷掘进工作面的局部防突措施之一.

互联网

The cause of deviation of driving with TBM in Qinling Tunnel is the difficult geological condition.

由于秦岭隧道部分地段地质方面的原因,使TBM在掘进中发生了偏离现象.

互联网

This paper elaborates theory, composition and method of operation of self - propelled - shield - type cantilever supporting in tunnel faces.

介绍了掘进工作面自动推移掩护 式 前探支护装置的工作原理 、 组成和操作方法.

互联网