Tunnel Boring Machine
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307 Days of Battle! “Jianghan Ping’an Hao” TBM Reaches Main Tunnel in Yangtze-Han River Diversion Project
According to media reports on November 9th， the Yinjiang Buhna project has achieved a sign…
According to media reports on November 9th， the Yinjiang Buhna project has achieved a sign…
