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["Катализаторная коксирование переработка смеси", ["Эта тема последний раз отредактирована wlf 2 2 2 4 于

2019-06-22View Original

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本帖最后由 wlf1234 于 2019-6-22 07:01 编辑 参与:奖1财富;回答正确:奖3财富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 单选题:催化剂的主要使用性能是指( )。 A、再生性能 B、筛分组成 C、密度 D、比表面积 答案: A https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注:两天后答案自动公布。

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