China has completed the production of its largest tunnel-boring machine (TBM), measuring 16.64 meters (54.5 feet) in diameter. The machine is named Jianghai, which means "river and ocean" in Chinese.
NASA's Perseverance rover is approaching four years of activity on the Martian surface — and all this time, the rover has ...
A large-diameter tunnel boring machine (TBM) with a record-breaking excavation diameter of 16.64 meters rolls off the production line in Changsha, Central China's Hunan Province o ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback