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neon tester /ˈniːdəlnˈəʊz ˈplaɪəz/ n

中文：氖灯测电笔

中文 · 氖灯测电笔Español · lámpara de prueba de neónFrançais · vérificateur de circuit
Meaning：Instrument used for detecting the presence of an electric current in low-voltage appliances, devices and circuits.
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Electrical tools II

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