Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
4 ta ish
China University of Mining and Technology
Hao Chen, Wenju Yan, Zhixiong Li
Guoping Wang, Hao Chen, Fengyuan Yu +10
Jinfu Liu, Hao Chen, Wenju Yan +4
Guoping Wang, Hao Chen, Fengyuan Yu +8