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Coal Engineering
1671-0959
1955 Issue 10
guan yu zai chong tian tu rang shang jian zao jie gou wu wen ti de jian yi
bu si luo fu ; pan guang jiang ;
..............page:2-7
dui 1012 gong cheng tong feng ji shu she ji de jian she
ku zi nie zuo fu ;
..............page:7-8
di he jin gang de re ya bian xing gang jin
si men mu lin ; si a de mi te li ye fu ; song jing ;
..............page:10-16