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钢管幕顶进控制技术。
新管幕工法是我国引进的一种新型地下结构暗挖工法，该工法以沿结构边线顶进大直径钢管为基础，逐步形成大断面地下结构。
The underground structure gradually forms by compressing a serious of great diameter steel pipes into the ground used as a foundation along the edge of the structure.
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