Correct

航线

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Strokes

Definition

air or shipping route

Example

As a Noun

air/shipping line; route; course

1
Yuǎnyáng
远洋
hángxiàn
航线

ocean navigation line

2
Nèihé
内河
hángxiàn
航线

inland navigation line

3
Guójì
国际
hángxiàn
航线

international air line