Pavement bases - continous manufacture of mixtures - production control of granular materials and sands bound with cementitions binders or of untreated granular materials and sands in a continuous mixing plant 路面基层.混合料的连续生产.用粘结剂粘结的粒状材料和砂石的生产控制或连续混合设备中未处理的粒状材料和砂石的生产控制
