grade A甲级graden.等级；年级；成绩；斜坡v.分级；评分；渐次变化graded plan architecture分级规划体系grade-equivalent scale等级相等量度grade mixed broken stone级配碎石Grade two A/O process二级A／O法graded aggregate mixture级配混合集料grade turned to quantity等级数量化grade separation project立交工程graded insulated winding分级绝缘绕组graded broden stone base级配碎石基层graded polymer materials高分子梯度材料