GDS-820C，示波器图片 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20171031-51836520.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20171031-14666317.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20171031-52936631.jpg