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PORV abbr.stresses
tech. ИПУ (pilot-operated relief valve; бывают ИПУ ПГ (парогенератора) и ИПУ КД (компенсатора давления) mplayer)
 English thesaurus
PORV abbr.
abbr., med. Porcine Rubulavirus; Porton Virus
abbr., oil pore volume
abbr., tech. Pilot Operated Relief Valve (SergeyL)
energ.ind. pressure operated relief valve
tech. pilot-operated relief valve; power-operated relief valve