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разведочная скважинаstresses
el. 探坑; 初期井; 勘探; 勘探孔; 试验井; 勘探竖井; 勘探井; 拓荒井; 导井; 试验坑
geol. 勘探钻孔; 钻孔
oil 探井
tech. 初探井; 探孔; 预探井; 探测孔; 探查孔; 探眼; 试验钻孔; 勘探钻井; 探钻; 勘探钻孔钻孔
разведочная скважина: 14 phrases in 6 subjects
Drilling2
Electronics2
General4
Geology2
Oil / petroleum2
Oilfields2