发布时间:2025-02-05 09:16:21
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。
包支莫板活一般都是怎么包的怎么包自己才能赚到钱工人怎么开工资的
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