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【Daily Question No. 115】November 16, 2017

2017-11-16View Original

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【Daily Question No. 115】November 16, 2017: Among the following options, ( ) is not a factor that affects the color change of lubricating oil. A. The origin of the crude oil is different. B. The methods of refining and the degree of processing vary. C. The pressure in the working environment differs. D. The original color and quantity of additives differ. C. For management purposes, if you need to access content from a few days ago, please go through the summary post below. 2017 Q&A Summary Thread (updates starting now) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates starting now) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html

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