发布时间:2025-02-05 08:49:27
1、KP1多孔砖规格是240*115*90,则80万砖体积为0.24*0.115*0.09*800000=1987.2立方。 2、KM1多孔砖规格是190*190*90,则80万砖体积为0.19*0.19*0.09*800000=2599.2立方。
长158宽52高32怎样设计室内楼梯 我家是典型的农村小楼请问楼梯该怎么设计
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