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voltage tester /ˈvəʊltɪdʒ ˈɪŋkɹiːs/ n

中文：试电笔

中文 · 试电笔Español · detector de tensiónFrançais · vérificateur de tension
Meaning：Screwdriver used for detecting an electric current in appliances, devices and low-voltage circuits.
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Electrical tools II

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