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接触コーキング改質油ブレンドバージョン 20190513

2019-05-13View Original

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参加する:賞品 1 フォーチュン;正解:賞品 3 富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 多肢選択問題:液体炭化水素に C5 が多量に含まれる理由は、安定化塔 ( ) にあります。 A. 塔頂部の温度は低いです。 B. 塔底部の温度が低い。塔底部は高温になっている。 D. 塔頂部の温度が高い。答え: D https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注記:答えは2日後に自動的に発表されます。

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