long-distance pipelines

• 长输管道

long-distance pipelines的用法和样例：

例句

1. Application of external protective coating can prevent long-distance steel pipelines from corroding in their expected service life.
   采用外防腐涂层技术可以保证长输管道在预期的使用寿命内不产生由于外腐蚀而引起的功能损失。