underground railway tunnel

基本解釋

Numerical simulation and analysis of smoke characteristics and critical velocity in underground railway tunnel while fire;
在分析了地鐵站臺(tái)火災(zāi)時(shí)煙氣流場(chǎng)變化規(guī)律的基礎(chǔ)上，提出了臨界通風(fēng)速度的概念。
The lights could be used in many places such as: the tunnel, underground passage, underground parking, railway, building lighting, large area flood lighting, public spaces, squares and other places.
適用于隧道，地下通道，地下停車(chē)場(chǎng)，鐵路，樓宇亮化，大面積泛光照明，公共場(chǎng)所，廣場(chǎng)等需要的照明場(chǎng)所。
Construction of various urban underground engineering, deep-buried tube work, large span highway (railway) tunnel are greatly improving tunnel construction technology.
一系列的城市地下工程、深埋管道工程、大跨度公（鐵）路隧道的修建，大大促進(jìn)了隧道施工技術(shù)的進(jìn)步。