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Terms for subject Valves containing nominal size | all forms | exact matches only | in specified order only
| English | Russian |
| bore to nominal size ratio | коэффициент заужения арматуры (ГОСТ 24856-2014 YGA) |
| orifice to nominal size ratio | коэффициент заужения арматуры (ГОСТ 24856-2014 YGA) |