Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
Zhejiang DongFang Vocational and Technical College
Wei Jiang, Xiaohua Wang, Haiyan Huang +2
Guohong Fan, Xiaohua Wang, Xianxian Tu +3
Shudi Zhang, Xiaohua Wang, Miaohong He +4