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времена чистого буренияstresses
oil rotating idles
время чистого бурения
dril. actual drilling time (Yeldar Azanbayev)
O&G boring time; net drilling time
oil drilling time; rotating hours (в часах); rotating idles; DT (drilling time)
времена чистого бурения
: 6 phrases in 4 subjects
Oil / petroleum3
Oil and gas technology1
Oilfields1
Technology1