guǎn​dào HSK6

pipeline

管道 guǎn​dào
pipeline noun
physical tubing or a system of pipes for the transport of fluids or gases

Workers are laying natural gas pipelines underground.

channel noun
a figurative means or route through which information, influence, or action flows

We need to establish more effective communication channels.

Frequency

Movie subtitles
11.3 per million appears in 4% of films
Written text
21.1 per million

Details

HSK 3.0
Level 6

Sources

Definitions
CC-CEDICT