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to phrases
开井
stresses
gen.
копание колодца
mining.
заложение шахты
oil
пуск скважин
开井:
105 phrases
in 10 subjects
Construction
4
Drilling
11
General
30
Geology
7
Geophysics
1
Mining
6
Oil / petroleum
5
Oil and gas
2
Oilfields
29
Technology
10
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