飞艇有什么计算公式吗

简介：Meng Biao also knew this little Liuzi, but it was just a casual acquaintance, a few acquaintances, not really friends. From the first moment he saw him come in, he had a vague feeling that something serious was going to happen, and then he secretly He put his hand on the handle of the pistol, turned on the safety, and was ready to draw the gun and fight at any time.