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补偿装置的作用是什么?

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正确答案:

当温度变化时,线索受温度的影响而伸长或缩短,在补偿器坠砣的作用下,使线索顺线路方向移动,从而自动调整线索的张力,并借以保持线索的驰度满足技术要求,提高了机车受电弓取流的质量。

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