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Catalytic Coking Reformate Blending Version 20200109

2020-01-09View 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 True or False: Safety colors are used to convey safety messages such as prohibitions, warnings, instructions, and directives. It is divided into four colors: red, blue, yellow, and green. Answer: Correct https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answer will be released automatically after two days.

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