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简介：In addition to the turtle dove gun, Wang Shan also held a stick with an iron fork in his left hand, four feet high. When he was still a hundred steps away from the target, he stopped and lowered the stick into the ground. Well, it turns out that this wooden stick is the bracket of the turtle dove gun, which is the origin of the name of the turtle dove gun. It is similar to the two legs of the later machine gun.