填料垫    Packing seat

平行式闸阀    Parallel gate valve Parallel slide valve

单阀碟双面平行密封闸阀    parallel single disk gate valve

贯穿本领    penetrating power?

吻合度    Percent of contact area

剩余形变    permanent deformation?

量压面    piezometric surface?

先导式液压阀    Pilot-operated reducing valve

回转滑阀活塞泵    piston pump with rotary gate

活塞暱减压阀    Piston reducing valve

配汽活塞阀缸套    piston valve line

塑性的    plastic?

气－液动装置    Pneumatic-hydraulic actuator

抛光磨片    polished section?

充液多孔体    pore fluid?

势差    potential difference?

势流位流    potential flow?

压力特性    Pressure characteristics

压力特性偏差    Pressure characteristics derivation

压力调节阀；压力控制阀    pressure controlled valve

压力增长系数    Pressure increasing ratio

减压比    Pressure reducing ratio

内压自封    Pressure seat

主要外形尺寸    Prime out-form dimensions

注液漏斗阀    Priming Tundish Valve

枝动    principal stress?

过程仪表及分析仪器    process instrumentation and analytics

定比减压阀    Proprutioning pressure reducing valve