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结合工程实例介绍支点梁在大跨度桥涵顶进中的应用 ,为大跨度或多孔径框构穿越任意多股道铁路提供一种新的选择
Introduce the application of fulcrum beam in the jacking of long-span bridge and culvert with engineering examples, and provide a new choice for traversing any multichannel railway with long-span or multi-hole frame