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| квадрат добурил (On kelly rigs, when the square stand "kelly" drills down to rig floor, people say "kelly down" or "квадрат добурил". This phrase is the standard today, even though many work on top drive rigs. gz1968); пробурить квадрат (Sergusha) | |||
| kelly down: 2 短语, 2 学科 |
| 油和气 | 1 |
| 石油/石油 | 1 |