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aerating wastewater | |||
lagooning The process in which sunlight, bacterial action and oxygen cause self-purification in waste water, Usually taking place in a shallow pond, or system of such ponds (阳光、细菌活动和氧气引起的在废水中的自然净化过程,通常在浅水池塘或池塘系统等地发生。) | |||
aerating waste (water) |
废水曝气 : 2 phrases in 2 subjects |
Technology | 1 |
Water resources | 1 |