大小单双倍投顺口溜简介：The weapon he uses is a flag gun. The so-called flag gun is a four-meter long gun with a triangular red flag added under the head. The person holding the flag gun is the flag commander.
The weapon he uses is a flag gun. The so-called flag gun is a four-meter long gun with a triangular red flag added under the head. The person holding the flag gun is the flag commander.
