触媒コークス化リフォーミング燃料調合版20200105

2020-01-05View 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：腐食性物質の取り扱いを行う作業員は、異物が付着したり火花を発生させるような道具を使用してはならず、作業現場は熱源や火源から離れた場所で行わなければならない。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。

Reply #22020-01-05

この投稿は、最後にwwguoによって2020-1-5 15:48に編集されました

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触媒コークス化リフォーミング燃料調合版20200105

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