Oil pump side 油泵侧

pump side test 泵侧面检验

fuel injection pump side 喷油泵侧面

side channel pump 侧流道泵

side suction pump 侧吸泵 ; 侧吸

pump fake pivot side 中枢脚侧晃篮假动作

gear pump side-plank 齿轮泵侧板

gear pump side clearance 齿轮泵端面间隙

delivery side of pump 泵的出口 ; 泵的输出端 ; 泵的出口侧