豫北地区建设煤矸石烧结空心砖生产线项目经济效益测算及制约因素分析

豫北地区建设煤矸石烧结空心砖生产线项目经济效益测算及制约因素分析的英文翻译

基本释义

• Economic Efficiency Appraisal and Restricting Factor Analysis in Relating to Building up a Hollow Brick Production Line Consuming Coal Mine Reject in Northern Henan Province