直流光电放大式检流计AC24 AC24 图片

p1Src=//y1.yzimgs.com/uploads/381382/20151229-204310423.jpg?watermark/2/text/5LiK5rW35Lic5Lql55S15rCU5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast"