干管 meaning in English
combined dry pipe-preaction system
main pipe
trunk main
Examples
- No . see , we ' re in luck . it ' s just the water main
不，看，我们还是幸运的这里只是给水干管 - She turned the water off at the mains
她关闭了自来水的干管。 - Quick opening devices for dry pipe valves for fire protection service
防火设施用干管阀门的快速开启装置 - How is the main drainage
“下水道的干管怎么样啦? ” - 2 . shallow sea seismic survey for the install project of waste pipe
2 .深圳市污水排海干管顶管工程海上地震勘探