试题与答案

手持电动工具分为三类,其中哪类工具为金属外壳,电源部分具有绝缘性能,适用于干燥场所?

题型:问答题 简答题

题目:

手持电动工具分为三类,其中哪类工具为金属外壳,电源部分具有绝缘性能,适用于干燥场所?

答案:

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参考答案:C,D

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