这第一座美丽的中国小白石桥有7个拱洞。
The first beautiful little white Chinese stone bridge had seven arches.
以北京地铁4号线白石桥至学院南路区间渡线隧道作为工程背景，阐述在复杂环境下浅埋大跨隧道施工的地层沉降控制方法。
Taking the crossover tunnel in the Baishiqiao-Xueyuannanlu metro section tunnel of Beijing metro No 4 as the engineering background, the control method for ground subsidence is introduced.
以北京地铁4号线白石桥至学院南路区间渡线隧道作为工程背景，阐述在复杂环境下浅埋大跨隧道施工的地层沉降控制方法。
Taking the crossover tunnel in the Baishiqiao-Xueyuannanlu metro section tunnel of Beijing metro No 4 as the engineering background, the control method for ground subsidence is introduced.
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