大单小单大双小双刷水简介：Tao Ran and Wang Xuewei are on the front line, usually the top management. Qin Yao, Xu Yuqi, Li Jiabin and others are on the second line. People like Zhao Chunfeng, He Zhen and others are on the third line of low-level management.
Tao Ran and Wang Xuewei are on the front line, usually the top management. Qin Yao, Xu Yuqi, Li Jiabin and others are on the second line. People like Zhao Chunfeng, He Zhen and others are on the third line of low-level management.
