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| 1. | firedamp outburst |
| 沼气突出 |
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| 2. | fire damp detector |
| 沼气检定器 |
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| 3. | fire damp proof machine |
| 沼气式电机 |
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| 4. | methane | firedamp |
| 甲烷| 沼气 |
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| 5. | biogas manure |
| 沼气肥 |
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| 6. | methane | marsh gas |
| 沼气| 甲烷 |
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| 7. | liberation of methane |
| 沼气放出 |
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| 8. | biogas generating set |
| 沼气发电机组 |
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| 9. | methane detector |
| 沼气检测仪 |
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| 10. | methane content |
| 沼气含量 |
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