槽方式及布孔参数影响着掘进效率和成本。
The cut way and hole parameters affect the drivage efficiency and cost.
该临时支护方式既保障了掘进工作面的安全，又提高了掘进效率。
The temporary support means not only ensures the safety of tunneling face but also increases tunneling efficiency.
目前由于矿井巷道掘进效率普遍不高，从而极大地影响了矿井生产的正常接替。
Mine tunneling efficiency is generally not very high, which will have a tremendous impact on normal replacement of mining.
盘形滚刀是盾构机刀盘上主要的掘进刀具，其切削性能直接影响了盾构机的掘进效率。
As one of the main cutters of shield machine in the cutterhead, disc cutter's cutting performance directly affects the excavation efficiency of shield machine.
密封舱压力的设置和控制直接关系到开挖地层的稳定、刀盘刀具的磨损和盾构掘进效率。
The pressure balance control between the chamber and the ground at the excavation face is the key for tunneling safely and efficiently.
在立井冻结砾石层段施工中，人工风镐掘进劳动强度高、速度慢、效率低。
Excavation in frozen gravel with air picks has the shortage of high labor intensity, low speed, and low efficiency.
实践表明，采用单螺旋掏槽方式提高了平巷掘进爆破效率，取得了良好的经济效益。
The construction practice indicated that the blasting efficiency in drift was improved and good economic benefits were obtained by the adoption of single helix cutting mode.
根据这种情况，对掘进机纵横两种截割头提出了一些改进，以此提高掘进机的性能，使得掘进机的工作效率更高，使用时更加灵活方便。
According to this situation the performance of the heading machine will be increased through making some improvement on the cutting heads and the heading machine will be more convenient and efficient.
为提高隧道掘进机后配套运输方案设计系统的能力和效率，提出了一种工程装备方案设计的混合求解方法。
To improve the capacity and efficiency of the design system of backup transportation scheme for tunnel boring machine (TBM), a new hybrid-solving method was proposed.
文中通过优化爆破参数，提高了岩巷掘进的爆破效率，最终提高了巷道掘进速度。
By optimizing blasting parameters, the blasting efficiency of mine tunnel excavation is improved. The speed of tunnel excavation is ultimately increased.
在掘进机上增加机载式临时支护机，可以大大提高掘进工作的劳动效率、降低支护工作劳动强度并保障生产安全。
The roadheader-borne temporary support is enabled to greatly increase the productivity of drift excavation, decrease hand labour for supporting, and ensure productive safety.
盘形滚刀作为盾构掘进机在掘进过程中破岩的主要刀具，其破碎效率直接影响了地下工程施工的效率和成本。
Disc cutter is an important tool of shield machine to crush the rock during excavating tunnel, cracking efficiency of it directly impacts on the construction efficiency.
全断面岩石掘进机(TBM)的破岩效率主要受刀盘设计和岩体特征的影响。
The cutterhead and rock mass characteristics affect the excavation efficiency of full face rock tunnel boring machine (TBM) strongly.
全断面岩石掘进机(TBM)的破岩效率主要受刀盘设计和岩体特征的影响。
The cutterhead and rock mass characteristics affect the excavation efficiency of full face rock tunnel boring machine (TBM) strongly.
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