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触媒コークス化リフォーミング石油製品調合版20191129

2019-11-29View Original

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参加:賞1 財富;正解:報酬3富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 質問:排水弁を作動させる際は、まず洗浄弁を開いて配管を洗浄する。バイパスがある場合は、バイパス弁を開いて短時間だけ洗浄することができる。バイパスはなく、排水弁を取り外して洗浄した後、再び取り付けて使用します。 答え:正解 https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注:2日後に自動的に答えが公開されます。

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