Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
China University of Petroleum, East China
Hanyi Zhong, Ying Guan, Zhengsong Qiu +3
Ming Lei, Jinsheng Sun, Haiyan Zhu +2
Hanyi Zhong, Zhengsong Qiu, Daoming Zhang +3