倍投公式是什么意思

简介：With the torch on, Zhu Cixiang took a closer look. Yuan Jixian was fifty years old, with a square face and a thin complexion. Although the three strands of long beard were still black, the wind and frost fishtails at the corners of his eyes and forehead were quite heavy, and his eyes looked even more tired. From this, It can be seen that Yuan Jixian must have been working hard in Baoding and was not able to take any time off, so he was a little haggard.