玩单双大小必赢的方法

简介：There is no shortage of cotton cloth in the city, and there are all kinds of iron nails and iron pieces. The only shortcoming is that not all the gunpowder in the city is gunpowder produced by the inner court gunpowder factory, but a considerable part is gunpowder. Gunpowder is rough and has low power, so it must be added. Only the amount of gunpowder used can achieve the effect.