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【Daily Topic】【Civil Engineering Version 20160713】

2016-07-13View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 Wealth. Judgment: When laying roofing asphalt shingles, the upper and lower layers should be laid perpendicular to each other. ( )
Reply #22016-07-13
Wrong; it should be vertical after the question

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