heptode.
/hep-tohd/US // ˈhɛp toʊd //
庚子,庚寅年,庚辰,庚子年
Definitions
n.noun · 名词
- 1.
Electronics.
- ›a vacuum tube containing seven electrodes, usually a plate, a cathode, a control electrode, and four grids.
Level 2More words in h →
庚子,庚寅年,庚辰,庚子年
Electronics.