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Main line
01
主线, 重要铁路线路
an important railroad line between two cities or large towns
main line
n
例子
Travelers often prefer the main line for its frequent train services and convenience.
The train's main line connects the city to several suburban areas.
Many businesses rely on the main line for transporting goods efficiently between regions.
The main line runs between the capital city and the industrial center, facilitating commerce.
The main line upgrades included new tracks and improved safety measures.
