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Кронблок
| Глоссарий по нефти и газу (англо-русский) |
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Crown block, английский
A pulley, set of pulleys, or sheaves at the top of a drill derrick on and over which the hoist and/or other lines run. also called crown pulley, crown wheel.
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Кронштейн, крепёжная скоба, русский
Crown block, английский
A pulley, set of pulleys, or sheaves at the top of a drill derrick on and over which the hoist and/or other lines run. also called crown pulley, crown wheel.
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