发布时间:2025-01-24 22:54:59
配耐压值超过12V的直流电容就好,而电容量按输出电流来计算,大概1安培2000微法。例如:输出电流2安的话,大概配4700微法的电容。耐压值
家里的水龙头总是要放很久水才有热水怎样才能做到打开水龙头就出热水
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