单向调速阀，QPC-SL-06-02-A 612... 上海五久自动化设备有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250207-80896406.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250207-34550840.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250209-14079964.jpg"