地铁隧道内有害渗漏气体的通风排除_暖通空调在线 关键词：有害气体,地铁隧道,通风系统,运营安全, [gap=373]Keywords：harmful gas,underground railway tunnel,ventilation system,operation safety,
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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.
适用于隧道，地下通道，地下停车场，铁路，楼宇亮化，大面积泛光照明，公共场所，广场等需要的照明场所。
From Shenmu to Daliuta section along Shensuo railway, we set up 6 survey lines in order to understand the condition of underground coal pit and tunnel.
在神朔铁道神木至大柳塔段，为了解地下煤窑空洞与隧道情况，布设了6条测线，共计388个测点，进行了地磁总强度观测工作。
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(铁)路隧道的修建，大大促进了隧道施工技术的进步。
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