论文部分内容阅读
到2020年我国单位GDP二氧化碳排放要比2005年下降40%～45%,为实现这个目标,作为资源使用大户的施工企业,必须加快
By 2020, carbon dioxide emissions per unit of GDP in China will drop by 40% -45% from 2005. To achieve this goal, as a large-scale resource construction enterprise, we must speed up