【电】 photoelectric door opener
photoelectricity
【医】 photoelectricity
open; start
class; door; gate; gateway; ostium; phylum; school
【计】 gate
【医】 binary division; hili; hilum; hilus; phylum; pore; Pori; porta; portae
portal; porus; pyla
【经】 portal
implement; organ; utensil; ware
【医】 apparatus; appliance; crgan; device; organa; organon; organum; vessel