WRE2-420热电阻于热电偶区别天长 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20180509-37001640.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20180509-71994284.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20180509-59783173.jpg