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【Daily Topic】【Civil Engineering Version 20170611】

2017-06-11View Original

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Participation reward: 2 Wealth. Correct reward: 6 wealth. The mix design for concrete should be carried out in accordance with the relevant provisions of the on-site standard \"Code for Design of Concrete Mix Proportions\" (JGJ55), based on requirements such as those related to the concrete itself.   A. Water absorption rate B. Strength grade C. Durability D. Workability E. Delamination degree 【Answer】BCD

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