The way to get in is to walk in. Then there is a crater in the middle and lower part of that area. After entering, it opened the door and there was a conveyor next to it. Drive a transport plane to drive a tank. Then send it to aunt hai. Take a boat to the right bank. There is a building with a particularly light color, which can be investigated. Go in, open the door here, and you can drive the tank. Go to Bart Institute first, and then open the fax transmission point.

After Zhou Mu, the doctor's tank was completed. After coming in, the tank will stop at the doctor's side and drive out directly to open the transfer point.

In other words, this move only needs 1 time. After the Zhou Mu is made, the doctor tank can walk and open the door directly.