假设我们的铁芯变压器电路如下图所示，变压器输入电压为 ，次级带了一个负载 ： 西和田 Every one of the previous examples are within the nineteenth century, when "free of" was far much less prevalent than "free from" Total. In Every case, the phrase "free of" signifies "away from," "untainted by," or simply "devoid of." In contrast, "free from" implies "liberated from" https://pornx.cam/