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Exploration Engineering(Drilling & Tunneling)
1000-3746
1977 Issue 5
zuan shi 600 xing quan ye ya zuan ji
..............page:41-43
ru hua ye zhi liang de jian yan fang fa
ke qing ;
..............page:73-75
snb-90 xing ni jiang beng
..............page:44-45+29
xiao kou jing pen fan jie tou
..............page:70
xiao kou jing jie tou de jia gong
..............page:67-69
xiao kou jing zuan tan gong yi
..............page:1-7+21
oxing ru hua you shi yan
..............page:34-37