底阀座的英文

• foot valve seat

• 底:    bottom; base
• 阀座:    valve base
• 底阀座垫片:    packing for foot valve
• 底阀:    bottom ale; bottom valve; foot ale; foot push valve; foot valve; valve， foot
• 阀座:    valve seat; clack seat; disk seat; valve base; valve cup; valve seating; valve support; seat