(MENAFN- GetNews) -p src="https://www.portable-machines.com/uploads/ship-rudder-and-stern-tube-shaft-hole-on-site-line-boring-machining-project.jpg" alt="ship rudder ...
China's largest slurry tunnel boring machine (TBM) rolls off the production line in Zhengzhou, capital of central China's Henan Province, Sept. 29, 2018. The machine has a diameter of 15.8 meters, ...
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