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| 打捞公锥 | |||
| 打捞母锥钻; 捞取雄锥; 岩心抓具; 打捞母锥钻岩心抓具 | |||
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ловильный метчик : 10 phrases in 3 subjects |
| Drilling | 7 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
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