Definition

Examples

• 这条铁路干线连接了南北两个大城市。
  Zhè tiáo tiělù gàn xiàn liánjiē le nánběi liǎng gè dà chéngshì.
  This railway trunk line connects two large cities in the north and south.
• 国家正在建设一条新的通信干线。
  Guójiā zhèngzài jiànshè yì tiáo xīn de tōngxìn gàn xiàn.
  The country is building a new communication trunk line.
• 这条高速公路是西部地区的交通干线。
  Zhè tiáo gāosù gōnglù shì xībù dìqū de jiāotōng gàn xiàn.
  This expressway is a main transportation artery in the western region.