WRE-420B热电阻于热电偶区别崇信
上海临嘉科教仪器有限公司
p1Src=//y1.yzimgs.com/uploads/391770/20180509-68281075.jpg&p2Src=//y1.yzimgs.com/uploads/391770/20180509-93127517.jpg&p3Src=//y1.yzimgs.com/uploads/391770/20180509-76350842.jpg