速度控制器，SC3W-6-6 上海五久自动化设备有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250209-12423862.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250207-60825419.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250209-14079964.jpg"