便携式电导率仪（纯水用） CM-31P-W 成都藤田科技有限公司

p1Src=//y3.yzimgs.com/uploads/556280/20241130-11314316.png?watermark/2/text/5oiQ6YO96Jek55Sw56eR5oqA5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/400/fill/I0E3QTlBOA==/gravity/SouthEast