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【毎日一問】工程基礎知識(選択問題)20190919

2019-09-19View Original

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精留塔の運転において、塔底の温度や圧力が不安定になる場合、その原因は(D)である可能性があります。 A. 蒸気圧が不安定 C. 加熱器に漏れがある B. スチームドレインが詰まっている D. 上記の3つの理由

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