CRCHI First Synchronized Flat-guided Multi-support Open-type TBM in Southwest China
CRCHI First Synchronized Flat-guided Multi-support Open-type TBM in Southwest China http://en.crchi.com/art/2023/8/3/art_40592_4605515.html
cover tunnel photo by: Matt Brown from London, England / CC BY
Copyright 2019-2024 TunnelContact.com