煤炭加工 meaning in English

coal processing

Present situation and development of henan coal processing and utilizing
河南省煤炭加工利用现状及发展方向
Developing coal procesing change , promoting structural adjustment of production in coal industry
发展煤炭加工转化促进产业产品结构调整
Work summarization and future development of china association of coal processing amp; utilization
杨永仁理事长在中国煤炭加工利用协会第四次会员代表大会上的讲话摘要