infra-red image pick-up tube cathode ray tube
【电】 低声频
infra acoustic frequency
暂无补充释义。
相关词条
infra dig
infra-order
infra-red image pick-up tube
anal lobe【昆】;anal valves【昆】;infra-anal flaps【昆】
infra-notoligule
mid infra-red spectrum，MIRS
infra-red lamp, ultra-violet lamp, head radiator