tunnel heading的例句大全

I see a little light at the end of the tunnel. That's where I'm heading.

我看到眼前隧道的尽头透着一丝丝的光亮，那就是我前进的方向。

He's heading towards the broad street tunnel.

他正朝宽街隧道驶去。

The double-shield and full-scale tunnel boring machine ( TBM) is one of the most advanced heading equipment for the construction of tunnel in the world.

TBM掘进机是目前世界上隧洞施工中最先进的掘进设备。

the research shows that larger ratio of high to width of tunnel is, better ventilation effect of heading face is.

研究还表明当巷道的宽高比越大，更有利于工作面通风。

the effect of heading face geometry on the blasting of tunnel

浅谈掌子面形状对隧洞爆破的影响

construction technology of twin-side heading method for shallow buried and unsymmetrical pressure tunnel of passenger dedicated line

客运专线浅埋偏压隧道双侧壁导坑法施工技术

It was shown that the surrounding rock of the tunnel constructed by double side-wall heading excavation method would unavoidably be damaged in a certain degree because of repeating blasting, especially the interlaid rock wall in tunnel groups with closely-spaced.

研究表明：推进式往复爆破作业的双侧壁导坑法开挖的隧道必然导致围岩产生一定程度的损伤、破坏，尤其是小净距隧道间的中夹岩岩墙。