Added: 11 months ago
From: superb1973
Views: 16,917
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  • @KaramazovAlexey20

    ちょっとわかりにくかったかもしれませんね・・ m(_ _)m

    ちなみにガイガー=ミュラー計数管は寿命がある様です。

    つけっ放しにしないで、必要が無い時は電源を切った方がいいみた­いですね。

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