By pre aeration in tanyard wastewater, the effect of primary settling improves obviously.
制革污水采用预曝气处理后,可大大提高初沉池沉淀效果。
单词 | primary settling |
释义 |
primary settling
英语例句库
By pre aeration in tanyard wastewater, the effect of primary settling improves obviously. 制革污水采用预曝气处理后,可大大提高初沉池沉淀效果。 |
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