By inserting a tube into the melted iron to form a greybody tube and to make the emissivity steady.The temperature of the melted iron can be obtained using a optical fiber thermometer.
其中径即个空芯导管插入铁水中,形成个似灰体腔,使腔内铁水表面发射率基本不变,然光纤比色测温仪示出温度。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。