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| 91. | sewage solid extractor |
| 污水渣滓抽出器 |
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| 92. | primary treatment [sewage] |
| 初级处理〔污水〕 |
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| 93. | sewage reticulation system |
| 网状污水渠系统 |
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| 94. | ore industry sewage |
| 采矿工业污水 |
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| 95. | Sewage treatment/disposal |
| 污水处理 |
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| 96. | irrigation sewage disposal |
| 灌溉污水处理 |
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| 97. | municipal sewage plant |
| 城市污水处理厂 |
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| 98. | sewage rising mains |
| 加压污水管 |
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| 99. | private sewage plant |
| 私人污水处理设施 |
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| 100. | secondary sewage sludge |
| 二次下水污泥 |
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