對武价質易大兰 1951 UNIVERSITY OF INTERNATIONAL BUSINESS AND ECONOMICS 全社会货运周转量增长 12 10 8 6 yino.3 4 2 0 9晒gegg9ggg四N明9吧g明900 -2 Rail -Road- Water-Civil Aviation- Pipeline 99 王晓东,胡瑞娟 全社会货运周转量增长 -2 0 2 4 6 8 10 12 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 grouth Rail Road Water Civil Aviation Pipeline