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【Daily Question No. 148】May 28, 2018

2018-05-28View Original

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This post was last edited by Green Lotus on 2018-5-28 at 17:36. [Daily Question No. 148] May 28, 2018. The opening ratio of a tray refers to the total area of openings on that tray. True or False ( ) Please reply within two days.
Reply #22018-05-28
Error. ---------【The tray opening ratio refers to the ratio of the total area of openings on the tray to the cross-sectional area of the tray】
Reply #32018-05-28
Wrong. It refers to the ratio of the total area of openings on the tray to the cross-sectional area of the tower.

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