| 1. | Qualities grading of main cultivated legume seeds
豆科主要栽培牧草种子质量分级 |
| 2. | Qualities grading of main cultivated grasses seeds
禾本科主要栽培牧草种子质量分级 |
| 3. | Tree seedling quality grading of major species for afforestation
主要造林树种苗木质量分级 |
| 4. | Adaptive system for quality grading ofdifferent tobacco leaves
烟叶质量分级自适应系统研究 |
| 5. | Product quality grading of mining high strength ring chain
矿用高强度圆环链产品质量分级探讨 |
| 6. | The product quality grade for the cement industrial rotary kiln
水泥工业用回转窑产品质量分等 |
| 7. | Product quality grade for machine - made shovel
机制钢锹产品质量分等 |
| 8. | Quality grades : industrial , automotive
温度级别：商业级工业级 |
| 9. | Quality grade standard for electronic organ
电子琴质量分等标准 |
| 10. | The product quality grade for the cement industrial rotaty dryer
水泥工业用回转烘干机产品质量分等 |
