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R1 Line passed under Beijing-Shanghai High-speed Train: the tunneling project.

http://english.e23.cn2017-07-20 15:02:51

Abstract：　　At 11:00 p.m. July 17thExplore 1, a shield machine of China Railway 14thBureau Group Co., Ltd. passed Beijing...

　　At 11:00 p.m. July 17th“Explore 1”, a shield machine of China Railway 14thBureau Group Co., Ltd. passed Beijing-Shanghai High-speed Train line successfully with the decline controlled at above 0.3mm, making “zero submerge ”come true.

Author:紫忆

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