主干线

Traditional form:

主幹線

Pinyin (reading):

zhǔgànxiàn

Definitions:

• trunk line (of road, network etc)
• backbone (cable)

Characters:

• 主 - to own; to host; master; host; lord
• 干 - arid, dry; to oppose; to offend; to invade
• 线 - line, thread, wire; clue, trail

Traditional characters:

• 主 - to own; to host; master; host; lord
• 幹 - arid, dry; to oppose; to offend; to invade
• 線 - line, thread, wire; clue, trail