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Exploration Engineering(Drilling & Tunneling)
1000-3746
1963 Issue 1
pao yan de hui zhuan zuan jin
..............page:16-18
xin xing gao xiao lv zao yan ji
..............page:20
ti gao zuan tan gong cheng zhi liang de san ge ji shu wen ti
liu guang zhi ;
..............page:7-11
dian hu zuan tan
..............page:19-20