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| tricone bit | |||
| three rolling cutter drilling bit | |||
| tricone drilling bit (с коническими шарошками); three-cone rock drilling bit; tricone rock drilling bit; three-rolling cutter drilling bit | |||
| tricone drill bit (с коническими шарошками); three cone drill bit | |||
| трёхшарошечное буровое долото: 7 phrases in 3 subjects |
| Oil / petroleum | 5 |
| Oilfields | 1 |
| Technology | 1 |
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