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| bound carbon; combined carbon | |||
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| combined carbon | |||
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| combined-carbon | |||
| 结合碳: 40 phrases in 13 subjects |
| Agriculture | 1 |
| Animal husbandry | 2 |
| Automobiles | 1 |
| Desert science | 1 |
| Drilling | 1 |
| Electronics | 2 |
| Metallurgy | 17 |
| Nursing | 1 |
| Oil / petroleum | 1 |
| Sports | 2 |
| Surgery | 1 |
| Technology | 9 |
| Water resources | 1 |
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