piston seat

同义词释义

1)piston seat,柱塞座2)plungerandvalueseat,柱塞阀座3)plunger capsule assembly,柱塞座总成4)pump piston cup,泵柱塞套[座]5)plug falling pressure,柱塞落座压力6)plunger spring bottom seat;plunger spring upper seat,柱塞弹簧下座