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шарошечное долото; алмазный бескерновый наконечник конической формы | |||
конусное долото |
cone bit: 80 phrases in 9 subjects |
Automated equipment | 1 |
Drilling | 2 |
Oil / petroleum | 30 |
Oil and gas | 15 |
Oil and gas technology | 8 |
Oilfields | 15 |
Sakhalin | 1 |
Technology | 7 |
Transport | 1 |