double track heading

用法例句

Algorithm for generation of double-line laneway automatically based on media line and its implementation

基于中心线的双线巷道自动生成算法与实现

Algorithm for generation of double-line laneway automatically based on media line and its implementation

基于中心线的双线巷道自动生成算法与实现

The Research of Nonlinear Three dementional Simulation of Soft Rock Tunnel;

软岩巷道非线性三维仿真分析的研究

Method of Maring Tunnel Center Line by Position Correction Number

利用方位改正数标定巷道中线的方法

Coal Mine Roadway Abscission Layer Online Monitoring Design Based on CAN Bus

基于CAN总线的煤矿巷道离层在线监测系统设计

Centerline demarcation method model of arbitrary point on the arc in tunnel construction

巷道施工中弧线上任意点中线标定方法模型

ADIT SURROUNDING ROCK NONLINEAR DESTRUCTION REASONS AND CONTROLLING WAYS

巷道围岩非线性变形破坏机理及其控制方法

Study on Wireless Monitoring for Excavating Laneway Frontal Air Flowrate;

掘进巷道迎头风量无线监测关键技术研究

Study on Propagating Regulation about Flame Wave of Coal Dust Explosion in Straight Roadway

直线巷道内煤尘爆炸火焰波的传播规律研究

Research on Performance of Wireless Broadband Modulation Techniques in Tunnel Environment

巷道环境的宽带无线调制技术性能研究

The Model and Simulation of UWB Based on MB-OFDM in Coal Mine Underground

基于多频带OFDM的矿井巷道超宽带无线通信建模

On-line measurement of tunnel sections based on the roadheader posture

基于掘进机姿态的巷道断面在线测量方法

Application and experiment result of radio wave in roadways is introduced.

介绍了无线电波在巷道中的应用情况及实验结果。

Research on the UHF Radio Wave Propagation and Location Algorithms in Mine Tunnels;

井下巷道超高频无线电波传播及定位算法的研究

Study on Timbering Technology of Large-Bore Roadways of Starting Cut and Stopping Line of Sub-Level;

综放工作面开切眼与停采线大断面巷道支护技术研究

Rapid Construction of Rock Tunnel in Xingtai Mining Area And Study of Safe and Efficient Mechanical Operating Line

邢台矿区岩石巷道快速施工及安全高效机械化作业线研究

Return air duct section. Single- or double-line ducts can be specified.

回风管道部分。可以指定单线管道或双线管道。

The tunnels connecting them, usually at right angles, are crosscuts.

连接平巷、一般与平巷成直角的巷道称为石门。

The end of a gallery or drift.

水平巷道或小平巷的一端