要是没有变压器来调节电压，远距离输送电力是不可能的。
Were there no transformers to adjust the voltage, long-distance transmission of electricity would be impossible?
要是没有变压器来调节电压，远距离输送电力是不可能的。
Were there no transformers to switch the voltage, long-distance transmission of electricity would be impossible?
若无变压器来调节电压，远距离输送电力是不可能的。收藏。
Were there no transformers to adjust the voltage, long-distance transmission of electricity would be impossible.
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