double-check valve backflow preventer
- double-check valve backflow preventer
double-check valve (DCV) backflow preventer
двойной обратный клапан-предохранитель
- устройство, рассчитанное на обеспечение или прерывание давления в зависимости от характеристик примесей (вредностей).
English-Russian dictionary of terms for heating, ventilation, air conditioning and cooling air.
2013.
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