【Picture of the Day Question 061】2018.03.02

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【Picture of the Day, Question 061】What is in the picture dated 03.02.2018? Tip: Tools used in building decoration. For the laser level, due to management requirements, if you need to view content from a few days ago, please go to the summary post below. 2018 Chemical Engineering Technology Training – Daily Questions Collection Post: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888971
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