中国港口煤炭进出口格局演变及动力机制

王成金, 王伟

Development of import-export coal trade by port on minaland China：spatial pattern,evolution and dynamics

WANG Chengjin,WANG Wei

资源科学 . 2016, (4): 631 -644 . DOI: 10.18402/resci.2016.04.06