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| 11. | biogas generating set |
| 沼气发电机组 |
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| 12. | Methane is the second most important greenhouse gas after carbon dioxide, and rice fields are among the |
| 沼气是仅次于二氧化碳的第2重要的温室气体，稻田是沼气的最大来源。 |
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| 13. | by ruminating cattle and bubbling swamp gas). |
| 如果不是从反刍的动物口中和噗噗往外冒的沼气中）。 |
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| -- 来源 -- 现代英语佳作赏析 未来篇 - Human Seeks Alien |
好评(10) |
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| 14. | methane content |
| 沼气含量 |
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| 15. | biogas manure |
| 沼气肥 |
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| 16. | firedamp outburst |
| 沼气突出 |
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| 17. | liberation of methane |
| 沼气放出 |
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| 18. | methane | firedamp |
| 甲烷| 沼气 |
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| 19. | methane detector |
| 沼气检测仪 |
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| 20. | biogas production |
| 生产沼气 |
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