双色球预测号码最准确61简介：The lower grade is yellow, the middle grade is purple, and the upper grade is ink. The higher the grade, the purer and more stable the fire quality, and the higher the success rate of alchemy, so the price is also extraordinary.
The lower grade is yellow, the middle grade is purple, and the upper grade is ink. The higher the grade, the purer and more stable the fire quality, and the higher the success rate of alchemy, so the price is also extraordinary.
