农村沼气建设
rural biogas construction
construction of rural methane
沼气建设及其综合利用
Bio-gas construction and comprehensive utility
Marsh gas construction and comprehensive utilization
沼气建设与对策研究
The Marsh Gas Construction and Tactic Research
沼气服务体系建设探析
Discussion on Building of Biogas Service System
大庆油田建设设计研究院
Daqing Oilfield Design and Research Institute
daqing oilfield construction design institute
大庆油田建设设计研究院；长春市测绘院
The Institute of Daqing Oilfields Construction
大庆油田建设设计研究院勘察大队
exploring team
Daqing Oilfield Institute of Construction
Design and research
福建建设科技
fujian construction science & technology
建设设备公司
construction equipment company
上海市城市建设设计研究院
BFEM
Shanghai Urban Construction Design and Research Institute
产业化沼气
commercial-scale biomass production