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2016年消防技術実務問題

2016-11-02View Original

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第1章 燃焼の基礎知識 1.液体(固体)の表面で十分な可燃性蒸気が発生し、火に触れると瞬時に炎上する燃焼現象を()という。 A 引火点 B フラッシュオーバー C 燃点 D 爆発燃焼 答え:B
Reply #22016-11-21
学*学*は、他の登録試験と同じですか?

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