wall rock around tunnel的意思|示意
美 / /
英 / /
隧道周围围岩
wall rock around tunnel的网络常见释义
巷道围岩 ... convergence of wall rock 两帮收敛量 wall rock around tunnel 巷道围岩 wall rock classification 围岩分类 ...
wall rock around tunnel相关短语
1、 wall rock around the tunnel 巷道围岩