variable-flow pump 变流量泵

variable flow hydraulic pump 可变流量液压泵 ; 变流量液压泵 ; 流量可调液压泵

variable flow vane-type pump 变量叶片泵

variable e flow pump 可变流量泵

steady flow variable vane pump 稳流式变量叶片泵

variable e flow hydraulic pump 可变流量液压泵

constant flow variable vane pump 稳流式变量叶片泵