煤田开发 meaning in Chinese

coalfield depletion

Development of large coal mines , high - efficiency production technical equipment of coal , development and utilization of coal gas resources , high - efficiency and low - pollution large coa1 generating system , power plant of urban heat and power combined production , fine processing of coal , development of renewable energy resources
大型煤田开发,煤炭高效生产技术装备,煤气资源开发利用,高效低污染大型燃煤发电系统,城市热电联产电厂,煤炭精深加工,可再生能源开发等。