发布时间:2025-02-06 09:02:14
60Ah,12V就是720Wh,算一下你的音响总功率是多少瓦,比如30瓦,就是720/30=24小时。注意不要过放哦。
为什么excel执行窗口冻结没反应我先了b3格后点了窗口冻结但是没反应但窗口冻结的地方已经显示窗口冻
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