全封闭养殖 closed culture
封闭式循环水养殖 closed culture with circulating water
封闭循环水养殖 Recircualting aquaculture system
封闭循环养殖系统 closed recirculating aquacultural system
封闭养殖
Closed culture
以上为机器翻译结果，长、整句建议使用 人工翻译 。
形成了一套封闭式循环水虾—贝综合养殖的新技术。
There is formed a new set of enclosed circulating waters shrimp-shell compositive cultivation's technology.
youdao
本文介绍了双层浮球式生物滤器在封闭循环式鲟鱼养殖生产中的应用情况。
The present paper described the application of floating bead biofilter in recirculating sturgeon culture system.
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