试题与答案

电容器组中各相电容的最大值和最小值之比,不应超过()。

题型:填空题

题目:

电容器组中各相电容的最大值和最小值之比,不应超过()。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:热阻增大,热交换恶化,排烟温度升高,锅炉效率降低

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