flow compensator spool 流量补偿器滑阀

control valve compensator spool 控制阀补偿阀芯

pressure compensator spool adjustment 压力补偿器滑阀调节

pump compensator spool setting 泵补偿器滑阀调定

pressure compensator spool valve 压力补偿器滑阀

flow compensator spool adjustment 流量补偿器滑阀调整

pressure compensator spool 压力补偿器滑阀

control valve compensator spool spring 控制阀补偿阀弹簧