【Daily Topic】【Civil Engineering Version 20160813】
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Participation reward: 2 Wealth. Reward for the correct answer: 9 Wealth. In waterproof concrete roofs made of ready-mixed concrete, the rebar mesh should be placed within the ( ) of the ready-mixed concrete. A、Lower part B、Middle part C、Upper-middle part D、Any position
In waterproof roofs made of fine-grained ready-mixed concrete, the rebar mesh should be placed within the (C) of the ready-mixed concrete. A、Lower part B、Middle part C、Upper-middle part D、Any position
In the waterproof roofs made of fine-grained ready-mixed concrete, the rebar mesh should be placed at the (A, lower) part of the ready-mixed concrete.