CHANGSHA -- China's self-developed tunnel boring machine with the biggest diameter has been rolled off the production line on Thursday. The machine, with a maximum excavation diameter of 16.64 meters, ...
Back then, we also noted that the new weapon appeared to be something of an analog to the U.S.-made GBU-39 Small Diameter Bomb and, on a superficial level at least, this also appears to hold true.
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 ...
There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ...
In something straight out of a horror movie, scientists have found that Burmese pythons can open their mouths even wider than we previously thought. These snakes' enormous jaws may be able to open as ...
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.