可视型调速阀，GSC1201-M5-04 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/391770/20250207-21153388.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250209-77190539.jpg"