Also valuable for binding nitrites in fry rearing systems, where filtration cannot be used.
也有价值的绑定亚硝酸盐炒饲养系统中，过滤不能使用。
The fish summerlings obtained from fry intensive rearing could grow into the marketable sizes in the same year.
孵化所得的鱼苗育成夏花鱼种，当年即可养成商品鱼。
The fish summerlings obtained from fry intensive rearing could grow into the marketable sizes in the same year.
孵化所得的鱼苗育成夏花鱼种，当年即可养成商品鱼。
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