供应原装德国力士乐rexroth三位五通换向阀系列IS12,尺寸1Qn=880l/min820027275820027276820027300820027301820027325820027326820027277820027278820027302820027303820027327820027328820024250820024251820024300820024301820024325820024326820024329820024330820024275820024276820024302820024303820024327820024328820024331820024332)