发布时间:2025-02-05 00:48:42
想要不把基围虾养死,一定要注意水质,ph要维持在7-8之间,溶氧也不能太低,每升至少是4毫克。投放虾苗一个月后,需要投喂人工饲料,还要加一点贝类和杂鱼,水温保持在20-30℃之间,这样才有食欲,低于15℃的话则要减少投喂。另外,投喂的时间多在夜晚。
气体灭火系统维护管理中月度季度和年度检查的内容和要求分别有哪些
2025-02-05 00:48:42 2025-02-05 00:48:42 2025-02-05 00:48:42刚请了一对貔貅下面是我画的我租房单间的布局图请大师帮忙看下貔貅应该放哪个位置
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