EHDFG-01,EHDFG-03,EHDFG-01-30-3C2-XY-30,EHDFG-03-60-3C2-X-30,电液比例换向调速阀
EHDFG-01-30-3C40-XY-30,EHDFG-01-30-3C2-X-30,EHDFG-01-30-3C40-X-30,
EHDFG-01-30-3C2-Y-30,EHDFG-01-30-3C40-Y-30,EHDFG-03-60-3C2-XY-30,
EHDFG-03-60-3C40-XY-30,EHDFG-03-60-3C40-X-30,EHDFG-03-60-3C2-Y-30,EHDFG-03-60-3C40-Y-30,