吉时利2420/Keithley2400数字源表... 深圳市劲达光电科技有限公司

p1Src=//y3.yzimgs.com/uploads/516157/2016111-183241207.jpg?watermark/2/text/5rex5Zyz5biC5Yqy6L6-5YWJ55S156eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"