1.
Brief Talks of Enhancing the Speed of Rapid Excavation of Comprehensive Bolting Support Tunnel
提高综掘锚杆支护巷道快速掘进速度的探讨
2.
What caused the steep increase of the progress?
掘进速度提高的原因是什么?
3.
Prediction on penetration rate of TBM based on Monte Carlo-BP neural network
基于Monte Carlo-BP神经网络TBM掘进速度预测
4.
Safety is always the first consideration in tunneling and speed of advance is the second.
在掘进中，安全总是应该首先考虑的问题，掘进速度则放在第二位。
5.
at the beginning of the construction the progress was only 20 centimeters a day. a few years later the tunneling speed increased to 2 meters a day.
在施工刚开始时，每天只能掘进20厘米，几年以后掘进速度提高到每天2米。
6.
To get high rates of advance it is sometimes necessary to work on two, three or even four shifts a day.
为了取得高的掘进速度，有时有必要在一天内分两班、三班、甚至四班工作。
7.
Selection on Depth and Diameter of Blasting Borehole for Rapid Heading of Mine Rock Roadway in Deep Level of Mine
煤矿深部岩巷快速掘进炮眼深度和直径选择
8.
Several Measures to Realize Quick Driving at Outburst Prevention Heading Faces
防突掘进工作面实现快速掘进的几点措施
9.
This method has the advantages of no need of dismantling the cutterhead at heading face place, no need of setting up vertical shaft or operation corridor, less construction difficulty, quick reparation and low cost.
该方法无需在掘进面拆解刀盘、建竖井或工作廊道，施工难度小，修复速度快，费用低。
10.
Implemtation and Effect of Roadway Guide-Chamber High-Speed Driving Method at Coal Mines
煤巷导硐法快速掘进实施方法及效果
11.
Rapid Tunneling Technology for Semi-coal Rock Tunnel in Sitai Coal Mine
四台矿半煤岩巷道快速掘进工艺技术
12.
Difficulties for Predicting TBM Advance Rate and Countermeasures
预测TBM掘进速率的难点及对策研究
13.
Rapid Passing Through Fault Technology of Fully Mechanized Gateway Driving
煤巷综合机械化掘进快速过断层技术
14.
Big Cross Section Crag Lane High-speed Driving Construction Organization and Craft
大断面岩巷快速掘进施工组织和工艺
15.
Discussion on Work Speed of Dipper Stick of a Hydraulic Excavator
液压挖掘机斗杆作业速度问题的探讨
16.
To increase the speed of.
加速，促进加快…的速度
17.
Quick Roadway Excavation with Hoisting by Air-return Shaft
利用进回风立井改绞实现矿井快速掘进
18.
Study on Key Techniques of Fully-mechanized Fast Driving for Large Cross Section Coal Roadway;
大断面煤巷综掘锚杆支护快速掘进关键技术研究