来自刘献礼的问题
油石比为4.3%,则沥青用量为4.3%/(1+4.3%)=4.2%,那么一吨沥青混合料用沥青1000kg×0.042=42kg4.3%/(1+4.3%)=4.2%这个怎么算来的
油石比为4.3%,则沥青用量为4.3%/(1+4.3%)=4.2%,那么一吨沥青混合料用沥青1000kg×0.042=42kg
4.3%/(1+4.3%)=4.2%这个怎么算来的
1回答
2020-01-31 16:04