GDFWH-03-2B2-电压(XY X Y)/52,GDFWH-03-3C2-电压(XY X Y)/52,隔爆型电液换向阀 GDFWH-03-3C4-电压(XY X Y)/52,GDFWH-03-3C6-电压(XY X Y)/52, GDFWH-04-2B2-电压(XY X Y)/52,GDFWH-04-3C2-电压(XY X Y)/52, GDFWH-04-3C4-电压(XY X Y)/52,GDFWH-04-3C6-电压(XY X Y)/52, GDFWH-06-2B2-电压(XY X Y)/52,GDFWH-06-3C2-电压(XY X Y)/52, GDFWH-06-3C4-电压(XY X Y)/52,GDFWH-06-3C6-电压(XY X Y)/52,