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drillhole ['drɪlhəul] nstresses
goldmin. буровая скважина (MichaelBurov); скважина (MichaelBurov)
drillhole: 59 phrases in 9 subjects
Drilling2
Gas processing plants1
Geology6
Geophysics1
Gold mining11
Mining5
Oil / petroleum19
Oil and gas12
Technology2