武汉水利电力大学化环系
Wuhan University of Hydraulic and Electric Engineering
内蒙古科技大学资环系
Inner Mongolia University of Science and Technology
Department of Resource Environment Science
莱阳农学院资环系
laiyang agriculture college
Department of Resources and Environment
淮南矿业学院资环系
HuaiNan College of Mining and Technology
淮南工业学院资环系
huainan university technology
Dep. of Resource and Environment
河北师范大学资源与环境科学学院；石家庄学院资环系
Faculty of Resources and Environment Sciences
hebei normal university
河北农业大学资环系
hebei agricultural university
合肥工业大学资环系
Hefei Industrial Univ ersity
Department of Resou rces Enviroment
桂林工学院资环系
Guilin Institute of Technology
玉米一环系
first circle lines of maize