大家在查：隧道测量周边孔电力起爆局部通风机槽式列车轮廓面积粘着系数围岩分类气腿凿岩机配气装置

傍山隧道

网络tunnel on valley line; tunnel adjacent to mountain

傍山隧道

傍山隧道

傍山隧道

tunnel on valley line

... 越岭隧道 watershed tunnel 傍山隧道 tunnel on valley line 不良地质隧道 tunnel in unfavorable geological conditions ...

tunnel adjacent to mountain

傍山渠道,canal close to... ... ) canal close to mountains 傍山渠道 ) tunnel adjacent to mountain 傍山隧道 ...

1

The hole is the waterfront in mountain tunnel river valley side on the benefits of open terrain small cross-section tunnel .

横洞是在傍山隧道靠河谷一侧地形有利之处开辟的小断面坑道。

2

Research on Environmental Friendly Structure of Tunnel Adjacent to Mountain

环保型傍山隧道结构研究

热词推荐

大家在看