铁轨下面的泥土看起来已被浸泡，混凝土轨枕和钢轨已被淹没，照片显示重型机械拖走了枕轨，并压平了铁路床。
Thee ground under the tracks appears to have become waterlogged and the concrete ties and steel track submerged.
铁轨，钢轨用作火车车厢或其它有轮车辆的轨道的钢轨，通常成对使用。
A steel bar used, usually in pairs, as a track for railroad cars or other wheeled vehicles.
本文介绍了移动式钢轨气压焊接技术在上海地铁轨道维修中的应用，表明移动式钢轨气压焊接技术适合地铁维修施工，值得推广运用。
This article introduce the application of mobile rail gas pressure welding technology in the track maintenance of Shanghai Metro, and bring forward this technology is applicable and worthy to spread.
应用推荐