Mega boring machine deployed for Yellow River tunnel project : TunnelContact.com

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Mega boring machine deployed for Yellow River tunnel project

By Caihong Wen 2 days ago

Diameter 15 meter.

https://english.news.cn/20250515/cf74862c532d4722bb3bde790f40dae2/c.html

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cover tunnel photo by: Matt Brown from London, England / CC BY

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