 |
| Russian | English |
| трубы нефтяного сортамента | oil country tubular goods (Pipe and tube products used in petroleum industry, such as drill pipe, pipe casings, oil pipes. ( – OCTG  businessdictionary.com) Alexander Demidov) |
| трубы нефтяного сортамента | oil country tubular goods (Pipe and tube products used in petroleum industry, such as drill pipe, pipe casings, oil pipes. ( , OCTG businessdictionary.com)) |