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Exploration Engineering(Drilling & Tunneling)
1000-3746
1962 Issue 6
90 75 kan tan zuan kong yong de jin shu qing bian zuan ta
. . bo bo fu ;
..............
page:6-7
ti gao zuan tan gong cheng zhi liang de san ge ji shu wen ti
liu guang zhi ;
..............
page:1-5
cai kuang gong zuo zhong de chong ji shi zuan yan wen ti
..............
page:10
shui ping xiang dao zhong leng zhu xing tao cao pao yan bu zhi de ji ben yan jiu
..............
page:9-10