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Exploration Engineering(Drilling & Tunneling)
1000-3746
1964 Issue 7
ke zuo liu si yan xin ding xiang qi
zhang zhi min ;
..............page:13-15
ping xiang yue jin 600.9 mi
..............page:33
zai chong xi beng zhong shi yong bao you xiang jiao pi de ling jian
. . ni ke lai ye fu ;
..............page:22-23
kong qi chui xi zuan jin shi shi yong -1 xing qi pao ji
. . a bu du ma zi tuo fu ;
..............page:17-19