FEEDBACK

Meaning of 真空管

Use your mouse
to draw a Chinese
character here
zhēn kōng guǎn
vacuum tube
Example Sentences
1
The driver used the dial mounted on the dash to control the flow of air into the vacuum chamber.
2
In semiconductor receivers transistors take the place of vacuum tubes.
3
便
It's a small plastic bucket with a crotch cup and a vacuum.
4
There were computers before the transistor; they used vacuum tubes as logic elements.
5
According to the company, the large and heavy vacuum tube-based traveling wave tube amplifiers cannot be effectively replaced by GaAs transistors because they a much lower breakdown voltage