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| 81. | Una: So that means this area is without mains water, electricity, gas and sewage disposal. |
| 巫娜:那是说，整个地区没有总管输送的水、、气和污水处理。 |
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| 82. | Biogas furnace of family |
| GB/T3606-1983家用沼气灶 |
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| 83. | Must be some kind of methane buildup. |
| 应该是沼气集聚起来了. |
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| 84. | The pipes, fixtures, and other apparatus of a water, gas, or sewage system in a building. |
| 管道设备，水暖设备一幢建筑物中供水、供气或排污系统中的管子、装置和其它装置 |
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| 85. | MSA methanometer |
| MSA 型沼气检定仪 |
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| 86. | a sewage disposal system; a sewage treatment system |
| 污水处理系统 |
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| 87. | Hirschback method |
| 上部平巷排放沼气法 |
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| 88. | This paper analyzes the problem of recovery methanol from sewage containing methanol of first natural |
| 分析了长庆气田第一天然气净化厂甲醇回收装置运行中存在的问题。 |
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| 89. | interference methanometer |
| 干扰式沼气检定仪 |
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| 90. | storm sewage overflow |
| 暴雨污水溢流 |
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