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【毎日一問】工程基礎知識(選択問題)20200402

2020-04-02View Original

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通常の生産において、減圧水封が破壊される主な原因は(A、B、D)です。 A. 水封タンクの逆U字管が破損し、サイフォンが作動しないか詰まっている B. 水封タンクの排水制御弁が故障している C. 塔頂の温度が高すぎる D. 水封タンクの膨張管ラインが詰まっているか、油が凍結している

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