发布时间:2025-01-24 16:26:41
有点悬,普通干电池是1.5v每节,充电电池一般是1.2v每节,7052是4节干电池,就是6v,虽然血压计内部有升压电路,但一般电池总电压在4.8V左右会欠压保护,所以不推荐用。
水泥抹好后多久可以做防水 水泥抹好后多长时间可以进行防水处理
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