tunnel
The safe and quick tunneling is the key of the construction.
能否安全、速成洞是隧洞工程施工的关键。
—— 给力词典精选Gushing water is the most common geologic hazard during tunneling.
涌水是隧洞工程施工中最为常见的地质灾害。
—— 给力词典精选Diversion Tunnel Engineering is tunnel engineering in the world at present.
隧洞工程的施工条件是非常复杂的,并且存在的不稳定因素比较多,安全隐患很大。
—— 给力词典精选It is sometimes used to Bind the walls of tunnels.
有时,也用它喷制混凝土来衬护隧洞岩壁。
—— 给力词典精选The headrace tunnel passes mainly through Gneiss rock.
引水隧洞主要穿过片麻岩。
—— 给力词典精选