【电】 infrared communications set
infrared; infrared ray
【化】 infrared ray; ultra-red ray
【医】 infra-red light; infrared; infrared rays; ultra-red; ultra-red rays
communitcate by letter; correspond; correspondence
【计】 communication
device; apparatus; fitting; installation; setting; unit
【计】 blaster; U
【化】 equipment; set; set up; setting
【医】 apparatus; device; fitting; installation; mounting; unit
【经】 equipment; installation