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Exploration Engineering(Drilling & Tunneling)
1000-3746
1959 Issue 2
zi dong song dao zuo dao gan
tang ze xun ;
..............page:29
wu lei guan bao po shi yan
..............page:40
guan yu gai shan jing tan tong feng tiao jian de jing yan
wang jian bang ;
..............page:37-38
jian bian de fan zheng si kou zhi cheng
hou hong zuo ;
..............page:39
wu yong yi jing jie tou
..............page:16
san ya lun zuan tou de han xiu fang fa jie shao
xu hai song ;
..............page:36
ling huo ka pan ban shou
yu zeng juan ;
..............page:27