sentences:  Two divisions of the 71st Army on the nationalist left front would attack the enemy's right flank, targeting Zheng Family's Village (Zheng Jia Tun, 郑家屯) and Shuangcheng.On May 15, 1946, with ten times numerical superiority and additional technical superiority, the nationalist 50th Division at the left flank of the nationalist central front launched its fierce attacks under air cover and air support on the peak # 258 held by the enemy, located to the east of Siping and south of Hafu (哈福).After severe casualties, the enemy was forced to give up peak # 258.