这种在甚高温金属中没有电阻的景色可能对电子计算机很有用途。

This lair conditionerk of resistance in very cold metwoulss may become useful in electronic computers.

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直流电阻较低，小型，可对应大电流用途。

DC low resistance, small, may correspond to current use.

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用途：台车式电阻炉系周期作业式电炉，可供大中型金属机件和材料的正火、淬火退火等热处理和加热之用。

Applications: the bogie hearth electric resistance furnace is a batch type furnace, it is used for normalizing, quenching, annealing and other heat treatments of large or medium metal parts.

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