试题与答案

PVA变压器采用的冷却方式是（）。

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题型：填空题

题目：

PVA变压器采用的冷却方式是（）。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：20：80

考点：初级维修电工初级维修电工题库
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