开单买单开双买双技巧

简介：At noon on the second day, the two yellow flag soldiers and horses acting as the vanguard arrived at Malanyu, and then quickly occupied the pass, set up camps on the left and right in front of the pass, and sent a large number of reconnaissance cavalry to Jizhou. At dusk, the main force of Jianlu led by Duduo appeared in front of Malanyuguan.