普通四探针方阻电阻率测试仪 ZB-... 湖南纵博仪器设备有限公司

p1Src=//y1.yzimgs.com/uploads/540234/2020424-93311508.jpg?watermark/2/text/5rmW5Y2X57q15Y2a5Luq5Zmo6K6-5aSH5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/500/fill/I0E3QTlBOA==/gravity/SouthEast"