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接触コーキング改質油ブレンドバージョン 20190828

2019-08-28View 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:アルカリ溶液で直接吸収処理できる排ガスは()です。A. 二酸化硫黄 B. メタン C. アンモニア D. 一酸化窒素 答え: A 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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