Using rainmaking machine to increase the dissolved oxygen can effectively raise its level and improve the water quality, so that the incubation can go on well.
用降雨机增氧，能有效提高孵化用水的溶氧水平，改良水质，使孵化生产顺利进行。
Using rainmaking machine to increase the dissolved oxygen can effectively raise its level and improve the water quality, so that the incubation can go on well.
用降雨机增氧，能有效提高孵化用水的溶氧水平，改良水质，使孵化生产顺利进行。
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