grade A甲级
graden.等级;年级;成绩;斜坡v.分级;评分;渐次变化
grade-distributed design级配设计
Grade of anhydrite raw ore硬石膏原矿品位
grade according to quality按质分等
grade collection efficiency分级效率
graded-based water supply分质供水
grade of professional skill专业技术等级
grade administrative system成绩管理系统
grade separating efficiency分离级效率
Grade of nickel concentrate镍精矿品位
graded sand-stone mixture级配砂石