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Device and method for dismantling negative ring segment in shielding underground excavated channel
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Water leading and drainage system applied to original support structure of underground excavated vertical shaft, and construction method of water leading and drainage system
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Plugging structure for tunnel segment water leakage position
GENG XIAOLIANG, SONG YU, LIU XIAOGANG, LI XU, YANG XUEZHONG, SHI YANPING, ZHANG DAWEI, ZHANG WEI, ZENG CHENGGANG
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