做一个14伏500瓦变压器输入电压220伏_百度知道The page is temporarily unavailable
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/etc/nginx/nginx.conf.我想做一个容量1000VA，输入12V输出500V的变压器该怎么做啊，一二次要绕多少圈线，线径多大磁心怎么做。_百度知道习题-变压器_图文_百度文库
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