二等标准铂铑30-铂铑6热电偶 WRRB 昆明特普瑞仪表有限公司

p1Src=//y2.yzimgs.com/uploads/145654/2017619-111729224.jpg?watermark/2/text/5piG5piO54m55pmu55Ge5Luq6KGo5pyJ6ZmQ5YWs5Y-4/font/5a6L5L2T/fontsize/750/fill/I0E3QTlBOA==/gravity/SouthEast