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南唐铁路专用线沙河大桥，由于地下采煤，造成桥梁基础发生了大量下沉，导致了桥梁中线的扭曲变形。对该桥的修复情况作了阐述和研究。
Due to the underground coal mining, a great deal of sinking has taken place on the foundation of the bridge, resulting in the distortion of the midline of the bridge. The restoration of the bridge was described and studied.