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Introduction The need to getheavy- gauge sheathed thermo-couples( d> 8mm) is unusual,but sometimeswe must use them due to certain reasons,especial-ly,measuring the surface temperature of heatingfurnace pipe and flue.Because of its thick metalclad,such heavy- gauge sheathed thermocouplescan endure long periods in high- temperature andcorrosive environment.Their lifetime are severaltimes higher than thatof common ones.They maybe widely used in oil refinery,chemical industryand power station… 相似文献
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