drainage pipeline

例句：

1. 1. The cityhas a sophisticated drainage pipeline system to handlethe heavy rainfall.
   这个城市有一个复杂的排水系统来应对大雨。
2. 2. The construction of thenew highway will require extensive drainage pipeline work.
   新高速公路的建设将需要大量的排水管道工作。
3. 3. The engineer designed the drainage pipeline todivert the water away from the flooded area.
   工程师设计了排水管道，将水引离被淹区域。