Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
Hebei University of Technology
Hongxin Liu, Wulin Zhang, Yan Song +3
Shichao Zhao, Lili Yan, Xiaodong Tian +6
Tao Yang, Xiaodong Tian, Li Xiao +4