| 1. | Study on improving low grade iron concentrate
关于提高低品位铁精矿品位的研究 |
| 2. | New method to evaluate low grade iron ore deposit of turkey
土耳其低品位铁矿床的新评估方法 |
| 3. | Dressing test of low grade hematite from sijiaying iron ore mine
司家营贫赤铁矿选矿试验研究 |
| 4. | The teacher remonstrated with the boy about his low grades
教师告诫男孩,说他的分数太低了。 |
| 5. | Low quality is always a problem ; low grade may not be
质量低常成为一个问题，但等级低则不是。 |
| 6. | Utilization of low grade bauxite ore in pingguo nadou mine area
平果那豆矿区低品位铝土矿的利用 |
| 7. | The differential diagnosis includes other low grade renal tumors
鉴别诊断包括其他高分化的肾肿瘤。 |
| 8. | Low grades are get ting helen down
考分很低使海纶闷闷不乐。 |
| 9. | Low grades are getting hellen down
低分数使海伦闷闷不乐。 |
