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Catalytic Coking Reformate Blending Version 20190517

2019-05-17View Original

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Participation: Prize 1 Wealth; Correct answer: 3 Wealth as a reward. https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif Multiple-choice question: Compared to lubricating oil, the advantage of grease is ( ). A. Good viscosity-temperature properties B. Good sealing performance C. Good load relief and vibration damping capabilities D. Good cooling effect Answer: C https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answer will be announced automatically after two days.

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