排泄阀

1.outletvalve  2.eductionvalve  3.blow-offvalve  4.drainvalve  

排泄的英语翻译：

drain; egast; ejectable; evacuate; excrete; excretion; mute; voidance
【医】 apocatharsis; cenosis; eccrisis; egest; egestion; evacuate; evacuation
excrete; excretion; kenosis; lapaxis; void

阀的英语翻译：

clique; valve
【化】 valve
【医】 limen; limina; valve