略語大辞典 [Phys] 23 OHI opto-hydraulic interface 光-圧力インタフェース. 光制御アクチュエーター.opto-hydraulic interface; an optically controlled actuator; a hydraulic servovalve; in which a fluidic laminar proportional amplifier transforms an optical signal into a differential pressuresignal by thermal manipulation of b 丸善「略語大辞典」JLogosID : 11863816