发布时间:2025-01-23 06:59:55
鱼缸紫外线杀菌灯不可以对鱼儿和水草进行照射,每天开启的时间要控制在两个小时以内,治病期间还要将其关闭。杀菌灯虽然会消灭有害菌,但有益菌也会受到影响,因此控制不好的话,会对鱼缸的硝化系统造成一定破坏,从而影响水质的维持,对鱼儿的健康也十分不利。
装修房间是准备在过道顶部设计一个如图所示的圆弧造型1请你建立适当的平面直角坐标系求出圆弧所在
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