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[病例811]福建福州琯头镇某老板水泥池孵化大黄鱼鱼苗,水泥池双层黑篷遮阴保温,体积8m*8m*2m,四角平滑圆润,水深1.7m(编号15号池)(图1),共150万尾,目前规格为3.7cm/尾左右。锅炉加热,水温长期保持在24~25 ...
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