net pump pre ure 净泵压

pump pre ure gauge 泵浦压力表

low pre ure pump 低压泵

pump discharge pre ure 泵出口压力

high pre ure pump 高压泵

water pre ure pump 水压泵

stabilized pre ure pump 稳压泵

pre ure vacuum pump 真空压力泵

uper-pre ure pump 超高压泵

air pre ure pump 空气压缩泵