调速阀，FG-01-4-N-11 *大调节流... 上海五久自动化设备有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250207-41816428.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250209-58919053.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250207-14227517.jpg"