题目内容
关于绝缘油下述说法正确的是（ 乂
2020-11-27
A.tanδ值随温度升高而増大
B.tanδ值随温度升高而减小
C.越是老化的油，其tanδ随温度的变化也越慢
D.越是老化的油，其tanδ随温度的变化也越快
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