真空管

zhēnkōngguǎn

noun #51,391

Measure Word

一根真空管 gēn

Meanings

1 vacuum tube
2 thermionic valve
3 vacuum line (in car systems)

Characters

Examples

HSK 5

老式电视用真空管。

Lǎoshì diànshì yòng zhēnkōngguǎn.

Old televisions used vacuum tubes.

HSK 7-9

制动助力器的真空管漏气了。

Zhìdòng zhùlìqì de zhēnkōngguǎn lòuqì le.

The brake booster's vacuum line is leaking.

Tips

usage

Two senses: (1) the electronic vacuum tube used in mid-20th-century radios and amplifiers, still prized by audiophiles (胆机 'tube amp'); (2) the vacuum hose running from intake manifold to devices like the brake booster in a car.

Stroke Order

真 zhēn

空 kōng

管 guǎn