Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching 问天实验舱亮相了！比天和核心舱还大，有两个机械臂和一个出舱口. and this video is uploaded by 硬核Science at 2022-02-16T00:43:30-08:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [3iLOsdWX0N8]