电子管 diàn zǐ guǎn

DEFINITIONS

  1. valve (electronics)
  2. vacuum tube

CHARACTERS

电 diàn
HSK 1
electricity; electric; lightning
子 zǐ
HSK 1
offspring, child; fruit, seed of; 1st terrestrial branch
管 guǎn
HSK 4
pipe, tube, duct; woodwind music