【Daily Topic】【Civil Engineering Version 20160820】
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This post was last edited by hesonchang214 on 2016-8-20 at 17:15. Reward for participation: 2 wealth points. Reward for the correct answer: 9 Wealth. The mortar filling in the horizontal joints of brick walls must be at least ( ) or more. A、90% B、80% C、75% D、70% Correct answer: B
B. The mortar filling degree of the horizontal joints in 80% brick walls must be at least (B, 80%) or higher.