三中三复式计算公式简介：Then the two of them had a heated discussion. First, Qin Fen explained the B-level accumulator pattern in detail, and Ou Duantian also gave his own opinions, which made Qin Fen gain a lot.
Then the two of them had a heated discussion. First, Qin Fen explained the B-level accumulator pattern in detail, and Ou Duantian also gave his own opinions, which made Qin Fen gain a lot.
