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1. | biogas generating set |
| 沼气发电机组 |
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2. | Now scientists from Europe and the Philippines have discovered that less methane is made in fields where the plants are producing more grain. The reason is that making methane needs carbon. |
| 现在,来至欧洲和菲律宾的科学家发现在生产更多稻谷的稻田中,产生较少的沼气。因为产生沼气需要炭。 |
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3. | biogas manure |
| 沼气肥 |
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4. | methane content |
| 沼气含量 |
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5. | liberation of methane |
| 沼气放出 |
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6. | firedamp outburst |
| 沼气突出 |
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7. | methane detector |
| 沼气检测仪 |
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8. | methane | firedamp |
| 甲烷| 沼气 |
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9. | methane | marsh gas |
| 沼气| 甲烷 |
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10. | methane gas unit |
| 沼气股 |
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