泵马达推力轴承
pump motor thrust bearing
泵-马达系统
Pump controlled motor system
传统轴流泵设计理论
traditional axial pump theory
导叶式自吸泵设计
Design for Vane Self-priming Pump
低温泵设计
the design of cryogenic pump
电磁驱动泵设计原理
Design Method of the Electromagnetic Pump
电动预润滑泵马达起动器
electric prelube pump motor starter