enrichmentn.丰富;改进;浓缩
enrichment meter浓缩度计
enrichment index富集因子
enrichment layer富集层,浓缩层
enrichment lever加速杠杆
enrichment value富集值
enrichment level富集水平
enrichment class深造班; 补习班
enrichment valve加浓阀
enrichment plant浓缩工厂
Enrichment phase富集相