China News Service, Fushun, October 4 (Reporter Liu Zhongjun) October 4
The cantilever boring machine is undergoing construction work at the tunnel construction site
Design speed of Sichuan Zigong to Yibin high-speed 188bet app download is 350 kilometers per hour
Gas detector He Daigui is measuring the gas concentration in the tunnel
" said Yang Pengtao, project manager of the Second Project Department of the Ziyi High-speed Railway Project Headquarters of 188bet Beijing Engineering Bureau
But in August 2020, flammable gas suddenly appeared when digging 324 meters in one direction from the exit end
The Shan Shue Wan Tunnel penetration site, the only high gas tunnel on the entire line
At the same time, it is an important part of the intercity 188bet app download network of the Chengdu-Chongqing Economic Zone and one of the rapid passenger transport corridors of the southern Sichuan urban agglomeration
The formation of a high-speed 188bet app download channel with a full speed of 350 kilometers per hour from Chengdu to Yibin via Zigong
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