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1. | off-grade sponge |
| 不合格的海绵金属;不合格海绵金属 |
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2. | off grade metal |
| 等外金属 |
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3. | off grade grain |
| 等外种子 |
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4. | They are respectively named cut-off grade, marginal grade, economic grade and the average grade of an |
| 这4项品位指标依次爲边界品位、边际品位、经济品位和矿床平均品位。 |
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5. | off-grade alumina |
| 不合格的氧化铝;不合格氧化铝 |
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6. | off-grade qualities |
| 等外货 |
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7. | off-grade glass |
| 不合格玻璃 |
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8. | off-grade goods, rejects |
| 等外品 |
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9. | off-grade product |
| (砖的) 等外品 |
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10. | The greatest height of footwall cutting is determined through the theoretical analysis of cut-off grade |
| 通过对边界品位法及盈亏平衡法的理论分析,确定下盘最大切岩高度。 |
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