Drainage system
01
배수 시스템, 하수 네트워크
a network of pipes, channels, and structures designed to collect and channel excess water, wastewater, or other liquids away from an area or a property
예시들
A blocked drainage system can cause water to back up into the streets.
막힌 배수 시스템은 물이 거리로 역류하게 할 수 있습니다.



























