vacuum tubes meaning in English
真空电子管
Examples
- They can be used in devices for which vacuum tube valves were unsuitable, such as in hearing aids designed to fit into the ear .
它们能用在不宜采用真空管的装置上，例如能用在放在耳朵内的助听器里。 - Vacuum tubes require dc voltage sources as well
真空电子管也要求以直流电压为电源。 - All glass vacuum tube full glass al - n - al vacuum tube
全玻璃真空管全玻璃铝氮铝真空管 - Used as frame of vacuum tube , heating elements
W1 w2 ：用于制造电子管栅极边杆，加热元件等。 - Lee de forest invents the vacuum tube
李.德福雷斯特发明电子管。