Marine construction technology like this is very complex, somewhat analogous to trying to build a bridge under water.

像这样的海洋建筑技术非常复杂，有些类似于尝试在水下建筑一座桥。

《柯林斯英汉双解大词典》

According to later information, I know that the construction thoughts is: First, construct a removable bridge made of reinforced concrete, then move it entirely under the railway.

根据后来的了解，得知桥的建设思路是，首先在铁路东侧构建一个钢筋混凝土桥体，然后采用整体推移的方法，将其挪到铁路底下。

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This article analyzes dynamic responses of a continuous rigid frame bridge under construction with high piers and long span under the vehicles loading.

本文对一座正在施工中的高墩大跨连续刚构桥在汽车荷载作用下的动力反应进行了分析。

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In February, three workers were killed and six injured when a concrete block of a bridge under construction at Mumbai's international airport collapsed.

WSJ: Building Collapse Kills 50 in Mumbai Suburb

That came after the collapse of a bridge that was under construction as part of the city's mass-rapid transport system in September last year, killing one person.

WSJ: Death Toll in Mumbai Building Collapse Hits 74

That came after the collapse of a bridge that was under construction as part of the city's mass-rapid transport system in September last year, killing at least one person and injuring several.

WSJ: Building Collapse Kills 50 in Mumbai Suburb