| 词汇 | combined-sewer |
| 释义 | combined sewer noun [ C ] uk /kəmˌbaɪnd ˈsʊər/ us /kəmˌbaɪnd ˈsuː.ɚ/ a type of sewer(= system of large, underground pipes) that carries both human waste and waste water: There are 500 to 600 miles of combined sewers in the city. Combined sewer overflows can be eliminated by upgrading sewerage systems. Combined sewer overflows occur when overflows contaminated with sewage run into rivers and streams. In many older cities, combined sewers carry stormwater runoff from streets along with sewage from homes and businesses. Heavy rain can cause a backup in the city's combined sewer system. Building: plumbing, pipes & sewage ballcock black water catch basin caulking cesspit hot-water tank hydrant influent isolator leakage mixer tap plumb plunger sewage sewage works sewer siphon spigot standpipe waterworks |
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