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我厂使用的电炉需放入一只不锈钢箱子,用于防止零件的脱碳和氧化,在升温时箱外的温度要比箱内的温度高。如何使两只热电偶在同一个自动控制仪表上表示出温度呢?只要装上一个双闸刀开关就可以测量箱内和
The electric furnace used by our factory needs to be put into a stainless steel box to prevent decarburization and oxidation of the parts. When the temperature is raised, the temperature outside the box should be higher than the temperature inside the box. How to make two thermocouples in the same automatic control instrument to indicate the temperature? As long as fitted with a double knife switch can measure the box and