duplex pump
英 [ˈdjuːpleks pʌmp]
美 [ˈduːpleks pʌmp]
双（汽）缸泵；双动机械泵；联式泵
双语例句
- Interior Life in Urban Fringe: Design of Duplex Residence with Pump Room in Suburb
城市边缘的内向生活&带泵房的郊区双联宅设计 - Reverse control of hydraulic duplex drilling pump
双缸单作用液压钻井泵换向控制探讨