变压器，BK-200VA(铜) 415/220 隔离 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20250116-50333862.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20250116-62927517.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20250116-08683175.jpg