可视型调速阀，GSC3201-04-12 63... 上海五久自动化设备有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250209-44144497.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250207-73138628.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250207-18572062.jpg"