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矿层
| 厚度
| 减小
| 矿 层 | |
| gen. | measure |
| 矿层 | |
| bridg.constr. | ore formation |
| chem. | deposit |
| eng.geol. | reef |
| expl. | ledge |
| hydroel.st. | seam |
| met. | ore bed |
| oil | orebed |
| 厚度 | |
| sport. | depth |
| 减小 | |
| gen. | decrease |
| |||
| ore formation | |||
| deposit | |||
| reef | |||
| ledge | |||
| seam; streak | |||
| ore bed | |||
| orebed | |||
| manto; mineral stratum; ore horizon | |||
| |||
| minelayer | |||
| |||
| measure | |||
| 矿层: 239 phrases in 18 subjects |