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東京電機大学電子技術研究部

部室の机の対地電圧

Hands in blue sleeves grip a Hioki digital multimeter displaying 2742 volts, with red and black test leads clipped to black and red wires extending from a power strip under a wooden desk. A gray metal cabinet with a key lock sits to the left on the floor. Scattered items include orange tape rolls, a yellow extension cord, and tools on the desk surface. The setup appears in an indoor lab environment with beige walls.

10:13 PM · Nov 13, 2025

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