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| 61. | Standard on design of biogas pipelines for peasant household |
| GB/T7636-1987农村家用沼气管路设计规范 |
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| 62. | after-damp n.[U]poisonous mixture of gases after the explosion of firedamp in a coal-mine |
| （煤矿沼气）爆炸后的毒气. |
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| 63. | International Symposium on Coal Bed Methane |
| 国际煤床沼气专题讨论会 |
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| 64. | Those mines have the highest concentration of methane gas. |
| 那些矿井全都充满着高密度的沼气 |
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| 65. | Pilot Solar Energy and Biogas Demonstration Unit |
| 太阳能和沼气示范实验单位 |
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| 66. | build-up effect |
| 积累效应;聚集效应;聚集效应 |
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| 67. | Depending on the waste feedstock and the system design, biogas is typically 55% to 75% pure methane. |
| 视垃圾原料和系统设计而定，沼气通常含有55%至75%的纯沼气。 |
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| 68. | Ringrose pocket methanometer |
| 里因罗斯袖珍沼气检定仪 |
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| 69. | Methane is the second most important greenhouse gas after carbon dioxide, and rice fields are among the biggest sources of methane. |
| 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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| 70. | 3 [和合]“我们的父亲死在旷3野，他不与4可拉同党聚集攻击耶和华，是在自己5罪中死的，他也没有儿子。 |
| NIV]' Our father died in the desert. He was not among Korah's followers, who banded together against the Lord, but he died for his own sin and left no sons. |
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