真空管線

zhen ˉ kong ˉ guanˇ xianˋ

(Vacuum) Vacuum lines | Vacuum tubing

真空 zhenˉ kongˉ

(Vacuum) Vacuum

真空管 zhenˉ kongˉ guanˇ

(Vacuum) Vacuum pipe, Vacuum tube

管線 guanˇ xianˋ

(Pipeline, Pipelines) Pipeline, Pipelines

Genuine

Genuinely

Real

True

Air

Bare

Deserted

Empty

Have free time

Hollow

In vain

Sky

Space

Be in

Control

Guarantee

Heed

Key

Look after

Manage

Pay Attention To

Pipe

Provide

Regulate

Run

Straw

Tube

Wind Instrument

Circuit

Clue

Line

Path

Thread

真空

Vacuum

真空管

Vacuum

管線

Pipeline

Pipelines

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