选择时应分离石料标号和砂浆标号综合思索。
Thus, this high water mark number is roughly how many agents you need simultaneously at peak when the concentrator is on.因此,这个最高数字基本上就是在启用连接集中器时您同时需要的最大代理数。
Reducing the mark number of asphalt and adopting modified asphalt is an effective way to reduce the rutting of the asphalt pavement.降低沥青标号、采用改性沥青是减少沥青路面车辙的一种有效措施。