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通过对巷道损坏原因分析，确定注浆维修方案。论述注浆巷修取得的经济效益，探讨注浆技术的推广应用前景。
Through the analysis of roadway damage, to determine the grouting maintenance program. Discuss the economic benefits of repairing the grouting lane and discuss the popularization and application prospect of grouting technology.