词汇	valve orifice
释义	valve orifice 瓣膜口
随便看	doublepass double pass double-pass double passage double passage swivel joint Double-pass amplifier double-pass boiler double pass cascade doublepass coating double pass coating double-pass compression test double-pass condenser doublepass drier double pass drier double-pass drier double-pass dryer double pass dye laser amplifier double passes pulverized coal burners double pass flow tray double-pass gain double passing Double Passing Cyclone double passing tone double pass interferometer double-pass interferometer