I made this scaled-down model, which completely imitated the appearance and working method of the real machine. You can understand the various parts and power on, and it can move, except that it can't dig out the oil, everything else is the same!
I made this scaled-down model, which completely imitated the appearance and working method of the real machine. You can understand the various parts and power on, and it can move, except that it can't dig out the oil, everything else is the same!
