WRN-220B热电阻于热电偶区别横山 上海临嘉科教仪器有限公司

p1Src=//y1.yzimgs.com/uploads/391770/20180509-21807517.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20180509-48672062.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20180509-93338628.jpg