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【毎日一問】工程基礎知識(選択問題)20200218

2020-02-18View Original

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運転中、蒸気の凝縮水が塔内に入るのを防ぐため、蒸気は(C)℃以上になって初めて塔内に送り込み、塔底からの吹き込みガスとして使用できる。 A.100 B.200 C.300 D.500

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