stand-by pump station

例句：

1. 1. The stand-by pump station is ready toprovide emergency water supply in case ofa power outage.
   备用泵站准备在电力中断时提供紧急供水。
2. 2. The engineers were inspecting the stand-bypump station before the storm hit.
   工程师们在暴风雨来临前检查备用泵站。
3. 3. The stand-by pump station was used to divert water from the main pipeline during maintenance.
   备用泵站被用来在维护期间将水从主管道转移。