1) normal age-class distribution
法正龄级分配
2) age grade distribution
年龄年级分配
3) forecast of divisiory instar and grade
分龄分级预测法
4) grading standards of development
分龄分级
5) multilevel mixing method
分级掺配法
1.
Taken the 8% air voids and skeleton dense structure of asphalt mixtures as the restrict parameters,a new aggregate gradation design method(multilevel mixing method)was put forward,and the aggregates were formed by using the dry-rodding method.
对沥青混合料的抗车辙性能进行优化设计,设定骨架密实和设计8%空隙率2个优化条件,据此提出新型矿料级配设计方法——分级掺配法。
6) age grading
年龄分级
补充资料：分龄分级推算法
分龄分级推算法
八她跷姗推算法7‘J.沙，.一
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条