管线 (guǎn xiàn) — pipes and cables (a general term for utility lines, such as water, gas, electricity, telecommunications)

定義

例文

• 城市的地下管线非常复杂。
  Chéng shì de dì xià guǎn xiàn fēi cháng fù zá.
  The underground utility lines in the city are very complex.
• 施工时要小心，不要破坏管线。
  Shī gōng shí yào xiǎo xīn, bú yào pò huài guǎn xiàn.
  Be careful during construction not to damage the pipes and cables.
• 政府正在更新老旧的管线系统。
  Zhèng fǔ zhèng zài gēng xīn lǎo jiù de guǎn xiàn xì tǒng.
  The government is upgrading the old utility line system.