China Naming Network - Weather knowledge - Introduction of Yuanyang gun

Introduction of Yuanyang gun

In chess terms, it is generally called the black side's gun against the red side in the through train. Because the two guns are assembled, such as mandarin ducks in pairs, it is named. Start layout: two shots, five horses, two shots, Sanma, two shots, three shots, two shots, 1, one level, two cars, nine shots, two horses, eight shots, seven shots and two shots.