[线-]

Jyutping jam1 gik6 se6 sin3 gun2
Pinyin yīn jí shè xiàn guǎn

Definitions (CC-CEDICT)
  1. cathode ray tube
Definitions (Wiktionary)
  1. noun
    cathode ray tube
    (syn.) 映像管, 显像管, 顯像管