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After the storm, the sealed beam on the workshop's spotlight needed replacement because the filament had burned out.
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After the storm, the sealed beam on the workshop's spotlight needed replacement because the filament had burned out.
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Related words
sealed beam
Noun
Japanese Meaning
密閉型ビームランプ：反射器とレンズ一体のユニット内にフィラメントが封入された電球で、光線の整合性を保ち、反射器が汚れたり酸化したりするのを防ぐことを目的とする。
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