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["["每日一 вопрос】производство и гидрогрзация; 2

2020-06-26View Original

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参与:奖1财富;回答正确:奖3财富;注:此贴有效时间48小时。 https://bbs.hcbbs.com/static/image/hrline/2.gif 判断题:石油的直馏馏分中,硫的浓度一般随馏分沸点的升高而增加,但硫醇的含量却随馏分沸点的上升而下降。( ) 答案: 正确 您的参与,就是对我们工作的最大支持。送人玫瑰,手留余香。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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