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石炭系
| 未
| 分
| 石炭系 | |
| geol. | Carboniferous |
| 未 | |
| gen. | ex; fail of; never ever |
| commer. | non; not; un- |
| repr.biol. | nulli- |
| 分 | |
| gen. | distinguish |
| |||
| Carboniferous system; Carboniferous | |||
| |||
| Carboniferous | |||
|
石炭系 : 16 phrases in 10 subjects |
| Agriculture | 1 |
| Drilling | 2 |
| Earth sciences | 2 |
| Electronics | 1 |
| Engineering geology | 2 |
| General | 1 |
| Geology | 2 |
| Latin | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
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