Beijing (XNA) Jul 07, 2021
The mechanical arm installed on China's space station core module Tianhe has played an important role in assisting the astronauts with their extravehicular activities (EVAs) on Sunday.
The mechanical arm is designed to ensure the safe and reliable operation of the space station in orbit, to help the astronauts in EVAs, such as the assembly, construction, maintenance, and repair of the spac
