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【毎日一問】工程基礎知識(選択問題)2020.6.3

2020-06-03View Original

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以下の操作によって常圧炉の給料温度が下がるのは(A、D)です。 A.中段リフラックスを増加させ、コールドリフラックスを減少させる B.中段リフラックスを減少させ、コールドリフラックスを増加させる C.処理量を増加させる D.重質原油の処理を行う

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