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| orifice valve (с настраиваемым проходным сечением диафрагмы и дифференциальным манометром) | |||
| Venturi style valve (igisheva); Venturi valve (igisheva) | |||
| measuring valve | |||
| расходомерный клапан: 6 phrases in 3 subjects |
| Construction | 3 |
| Hydraulics | 1 |
| Makarov | 2 |
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