备用泵的英文

appendage pump

backer pump

before and after pump

emergency pump

+更多解释...

jury pump

reserv pump

reserve pumps

reserved pump

service pump

spare pump

stand by pump

tand-by pump

• 备用:    reserve; spare; al ...
• 泵:    pump
• 备用泵站:    stand-by pump stat ...

例句与用法

1. Number of pumps installed ( duty and standby ) , and their pumping capacity
   已安装水泵(主水泵和备用泵)的数目和泵水量；