D.PSA04-A，D.PSA04-B，D.PSA04-AB，板式和叠加式比例节流阀 D.PSA04-A，D.PSA04-B，D.PSA04-AB，板式和叠加式比例节流阀 无锡市昌林自动化科技有限公司

p1Src=//y2.yzimgs.com/uploads/328469/20161220-11519231.jpg?watermark/2/text/5peg6ZSh5biC5piM5p6X6Ieq5Yqo5YyW56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/300/fill/I0E3QTlBOA==/gravity/SouthEast